S3 Chemistry Atomic Structure and BondingS3 Chemistry Atomic Structure and Bonding Lessons 1 & 2...
Transcript of S3 Chemistry Atomic Structure and BondingS3 Chemistry Atomic Structure and Bonding Lessons 1 & 2...
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S3 ChemistryAtomic Structure and Bonding
REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
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S3 ChemistryAtomic Structure and Bonding
Lessons 1 & 2 – History of the Atom
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
![Page 4: S3 Chemistry Atomic Structure and BondingS3 Chemistry Atomic Structure and Bonding Lessons 1 & 2 –History of the Atom REVISION I have developed my knowledge of the Periodic Table](https://reader030.fdocuments.us/reader030/viewer/2022033123/5e6813332c24c524004ab26b/html5/thumbnails/4.jpg)
Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the scientific history of the discovery of the atom.
Researching the different scientists involved in atomic science and presenting a poster based on their work. Using each other’s posters as a learning tool and peer assessing.
All members of the class can complete a summary table on the key scientists involved in the scientific history of the discovery of the atom using the information extracted from classmates posters.
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Atomic Theory Scientists
Your scientist will be one of the following:
You will team up with the classmates who have part of the same photo as you.
• Ernest Rutherford
• Neils Bohr
• John Dalton
• JJ Thomson
• Werner Heisenberg
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Sources of Information
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Your poster must include the following:
1.Name of scientist
2.Date of proposed theory
3.What did they think an atom looked like? Include a picture if available.
4.Were they correct (or did other scientists improve upon their model)?
Poster – Key Features
If you want to add more information you can but be sure to include the above first of all!
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the scientific history of the discovery of the atom.
Researching the different scientists involved in atomic science and presenting a poster based on their work. Using each other’s posters as a learning tool and peer assessing.
All members of the class can complete a summary table on the key scientists involved in the scientific history of the discovery of the atom using the information extracted from classmates posters.
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Tell me three things...
1. One thing you have done well
2. One thing you would like to find out more about
3. One thing you know now that you didn’t know 50
minutes ago
Exit Task
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Lesson StarterWhat were the 4 key features you were asked to include on your poster?Name of scientist, date of proposed theory, what they think an atom looked like (pictureif available) & if they were correct?
Tick each of the features you have already finished for your poster. You now have only 20 minutes to complete the rest of your poster. We will then be placing our posters up for classmates to learn from. Do your best for each other!
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S3 ChemistryAtomic Structure and Bonding
Lessons 1 & 2 – History of the Atom
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the scientific history of the discovery of the atom.
Researching the different scientists involved in atomic science and presenting a poster based on their work. Using each other’s posters as a learning tool and peer assessing.
All members of the class can complete a summary table on the key scientists involved in the scientific history of the discovery of the atom using the information extracted from classmates posters.
![Page 14: S3 Chemistry Atomic Structure and BondingS3 Chemistry Atomic Structure and Bonding Lessons 1 & 2 –History of the Atom REVISION I have developed my knowledge of the Periodic Table](https://reader030.fdocuments.us/reader030/viewer/2022033123/5e6813332c24c524004ab26b/html5/thumbnails/14.jpg)
Exit Task – Match Up
Match the atomic theory model to the scientist.
Solid sphere modelRutherford
Dalton
Bohr Plum pudding model
Planetary model - electrons in
specific energy levelsThomson
Planetary model – discovered the
nucleus
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S3 ChemistryAtomic Structure and Bonding
Lesson 3 – Structure of the Atom
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
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Learning Objectives & Success Criteria
Today we will learn to …
We will do this by …
We will have succeeded if…
Identify the properties and locations of protons, electrons and neutrons in an atom.
Hearing about what an atom is made of and memorising key facts about the 3 subatomic particles.
We can state the mass, charge and location of the 3 subatomic particles.
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++
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++
The electrons are always found outside the nucleus in electron shells.
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Most of the atom is empty space! Imagine a Helium atom the size of Wembley stadium. The nucleus would be the size of a football on the centre spot. The electrons would be the size of two peas flying around the whole stadium. The rest of it is emptiness!
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Complete the following table to summarise the key features about the 3 subatomic particles.
Your teacher may now test your knowledge of these 3 subatomic particles using the Show-Me Boards.
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Learning Objectives & Success Criteria
Today we will learn to …
We will do this by …
We will have succeeded if…
Identify the properties and locations of protons, electrons and neutrons in an atom.
Hearing about what an atom is made of and memorising key facts about the 3 subatomic particles.
We can state the mass, charge and location of the 3 subatomic particles.
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Exit TaskPost-It Factcard
Write your name on a post-it note.
Choose any one sub-atomic particle and write it’s name alongside it’s mass, charge and location onto your post-it note.
Stick your post-it to the door on your way out of class.
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Lesson StarterWho am I?
Match up the description of each sub-atomic particle with it’s name.
1 I am found inside the nucleus. I have no charge and a mass of 1.
2 I am found outside the nucleus in shells. I have a negative charge and a mass of 0.
3 I am found inside the nucleus. I have a positive charge and a mass of 1.
neutron electronproton
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S3 ChemistryAtomic Structure and Bonding
Lesson 4 – Electron Arrangement
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How electrons are arranged in atoms.
Using the numbers of each sub-atomic particle to draw our own atoms. Using the data book to find the electron arrangement of atoms.
We can correctly draw the structure of any atom if told how many of each sub-atomic particle there are.
We can use the data book to find the electron arrangement of any atom.
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Write the electron arrangement for the following atoms:
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Write the electron arrangement for the following atoms(use p6 of the Chemistry Data Booklet for National 5):
CARBON
NEON
HYDROGEN
NITROGEN
SODIUM
PHOSPHORUS
2, 4
2,8
1
2, 5
2,8,1
2,8,5
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Which element is this ?HINT - use p6 of the Chemistry Data Booklet for National 5 to seewhich element has 3 electrons in it’s atom.
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Use p6 of the Chemistry Data Booklet for National 5 to identify the 3 elements drawn in the last task.
Helium Boron Fluorine
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CARBON
NEON
HYDROGEN
NITROGEN
SODIUM
PHOSPHORUS
2, 4
2,8
1
2, 5
2,8,1
2,8,5
BERYLIUM
OXYGEN
ALUMINIUM
CHLORINE
CALCIUM
2, 2
2, 6
2, 8, 3
2, 8, 7
2, 8, 8, 2
Drawing Electron ArrangementAt National 4/5 you will only be asked to draw the electron arrangement of atoms (not what is inside the nucleus).
Draw the electron arrangement of the elements listed below(Use p6 of the Chemistry Data Booklet for National 5).
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How electrons are arranged in atoms.
Using the numbers of each sub-atomic particle to draw our own atoms. Using the data book to find the electron arrangement of atoms.
We can correctly draw the structure of any atom if told how many of each sub-atomic particle there are.
We can use the data book to find the electron arrangement of any atom.
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Fist to Five
Rate your understanding of today’s lesson using your fingers.
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S3 ChemistryAtomic Structure and Bonding
Lesson 5 – Nuclide Notation
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
What is meant by the terms atomic number and mass number and how to use these two numbers to work out the numbers of each subatomic particle in an atom.
Carrying out simple calculations using atomic number and mass number. Using the periodic table and data book to help find these two numbers.
We can work out the number of protons, electrons and neutrons from the nuclide notation or when given the atomic number and mass number.
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11
23 56 119
5026
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Try the nuclide notation extension activities then use the answers to self check your work.
Nuclide Notation Extension
ACTIVITY 1
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Try the nuclide notation extension activities then use the answers to self check your work.
Nuclide Notation Extension
ACTIVITY 214
16
23
28
40
6
74
74
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
What is meant by the terms atomic number and mass number and how to use these two numbers to work out the numbers of each subatomic particle in an atom.
Carrying out simple calculations using atomic number and mass number. Using the periodic table and data book to help find these two numbers.
We can work out the number of protons, electrons and neutrons from the nuclide notation or when given the atomic number and mass number.
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What? How?
Explain what you have learnt today and how you have learnt it
?
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1 What is the atomic number and mass number of this element?
2 Write the number of protons, electrons and neutrons in this element.
3 Write the electron arrangement of the atom from question 2.
P=E=N=
111112
Atomic number=Mass Number=
919
2, 8, 1
Lesson Starter
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S3 ChemistryAtomic Structure and Bonding
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 6 – Build A Model Atom
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How to use nuclide notation or atomic number and mass number to work out the structure of an atom.
Carrying out simple calculations using the atomic number and mass number. Drawing the structure of an atom using these numbers. Building a model of an atom using these numbers.
We can work out the number of protons, electrons and neutrons from the nuclide notation and can remember how electrons are arranged in atoms.
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Step 1 – Use mass number & atomic number to work out PEN
Step 2 – Use the number of electrons to work out the electron arrangement
Step 3 - Draw the particles which belong in the nucleus
Step 4 – Draw the electron shells then fill them in order (inside to outside)
Drawing Atoms Using Atomic Number & Mass Number
We can use nuclide notation or atomic number and mass number to work out the structure of an atom. We do so by the following 4 steps:
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P=E=N=
P=E=N=
P=E=N=
P=E=N=
110
556
888
666
E.A = 1 E.A = 2, 3 E.A = 2, 4 E.A = 2, 6
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+
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Building Model Atoms1 Select a card at random from the bag. This is the
atom which you are going to build a model of.
2 Use the pipe cleaners, string, clingfilm/sellotape and 3 different colours of pony beads to build yourself a model atom (including the nucleus, electron shells and each of the 3 subatomic particles).
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How to use nuclide notation or atomic number and mass number to work out the structure of an atom.
Carrying out simple calculations using the atomic number and mass number. Drawing the structure of an atom using these numbers. Building a model of an atom using these numbers.
We can work out the number of protons, electrons and neutrons from the nuclide notation and can remember how electrons are arranged in atoms.
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Choose 3 other group’s model atoms and after viewing them write down the nuclide notation for those atoms.
Exit Task From Model to Nuclide Notation
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S3 ChemistryAtomic Structure and Bonding
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 7 – The Properties of Elements
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Lesson Starter
1. What do you think we mean when we say“a property of an element”?
A property is any characteristic of an element.
2. Give some examples of properties of elements.
Physical properties (what they are like: colour, size, density, melting point, boiling point, odour).
Chemical properties (what they can react with).
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of elements. We will also revise our knowledge of the periodic table and the special groups within it from S2.
Carrying out conductivity tests on elements. Watching video clips about certain groups of elements.
We can use the position of an element in the periodic table to predict it’s properties.
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**REMINDER**
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All metals conduct electricity.
All non-metals except carbon (graphite) are non-conductors (insulators).
Mercury, the only metal which is a liquid at room temperature, can conduct electricity. All metals in the liquid state can conduct electricity.
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Non-Metals
Metals
1
2 3 4 5 6 7
8/0
_ _ _ _ _ _
_ _ _ _ _ _ _
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Periodic Table - Important Areas Summary
Group 1 – ______Metals - very _ _ _ _ _ _ _ _ metals (stored in oil). React violently with water to produce an alkali and hydrogen gas. Soft and can be cut with a knife. Members become _ _ _ _ reactive as you move down the group.
Group 7 - ________ - very _ _ _ _ _ _ _ _ non-metals. All coloured elements. Members become _ _ _ _ reactive as you move down the group.
Group 8/0 - ____________- extremely _ _ _ _ _ _ _ _ _ _ gases. They do not readily _ _ _ _ _ _ _ with other elements to form compounds.
____________– middle block elements – Form brightly coloured compounds. Several are used as _ _ _ _ _ _ _ _ _ to speed up chemical reactions.
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Periodic Table - Important Areas Summary
Group 1 – Alkali Metals - very reactive metals (stored in oil). React violently with water to produce an alkali and hydrogen gas. Soft and can be cut with a knife. Members become more reactive as you move down the group.
Group 7 - Halogens - very reactive non-metals. All colouredelements. Members become less reactive as you move down the group.
Group 8/0 - Noble Gases - extremely unreactive gases. They do not readily combine with other elements to form compounds.
Transition Metals – middle block elements – Form brightly coloured compounds. Several are used as catalysts to speed up chemical reactions.
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of elements. We will also revise our knowledge of the periodic table and the special groups within it from S2.
Carrying out conductivity tests on elements. Watching video clips about certain groups of elements.
We can use the position of an element in the periodic table to predict it’s properties.
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Mind MapProduce a mind map to summarise the
lesson today.
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Lesson Starter – Match Up
Match the description to the group name.
Extremely unreactive gases.Alkali Metals
Halogens
Noble Gases Very reactive non-metals
Very reactive metals. React
violently with water. Transition
Metals
Middle block elements. Brightly
coloured compounds.
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S3 ChemistryAtomic Structure and Bonding
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 8 Outer Electrons and Chemical Properties
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of elements and how electron arrangement links to properties of elements. We will also revise compounds and how to name them.
Using the data book to learn about the electron arrangements within groups and try to spot any patterns. Identifying all the elements present in compounds from their names.
We can use the position of an element in the periodic table to predict it’s properties.
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Elements in the same group have similar chemical properties. This is because elements in the same group have the same number of outer electrons.
When an element has an incomplete outer shell of electrons it is unstable and it reacts with (forms bonds with) other elements to achieve stability.
Outer Electrons & Chemical Properties
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Elements in group 8 (0) each have a full outer electron shell giving the noble gases a special stability.
This means noble gases do not need to form bonds with other elements i.e. do not form compounds.
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**REMINDER**
A compound is a substance made up of two or more types of atom joined.
A mixture is a substance made up of two or more types of substances (atoms/elements/compounds) NOT JOINED
Compounds & Mixtures
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Compound names are recognisable because they have 2 parts e.g. sodium chloride (sodium & chlorine).
If a compound name ends in -IDE that compound only contains the 2 elements obvious from it’s name.
Except where the second part of the compound name is hydroxide or cyanide.
e.g. sodium hydroxide = sodium, hydrogen and oxygen
sodium cyanide = sodium, carbon and nitrogen
If a compound name ends in -ATE or -ITE that compound contains the 2 elements obvious from it’s name PLUS OXYGENe.g. sodium carbonate (sodium, carbon & oxygen).
**REMINDER**
Naming Compounds
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What’s In a Compound - Revision
Name all the elements present in the following 5 compounds.
1.Aluminium bromide2.Hydrogen oxide3.Sodium hydroxide4.Nitrogen hydride5.Nickel sulfate
Aluminium & bromineHydrogen & oxygenSodium & hydrogen & oxygenNitrogen & hydrogenNickel & sulfur & oxygen
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of elements and how electron arrangement links to properties of elements. We will also revise compounds and how to name them.
Using the data book to learn about the electron arrangements within groups and try to spot any patterns. Identifying all the elements present in compounds from their names.
We can use the position of an element in the periodic table to predict it’s properties.
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Exit TaskThe electron arrangement of 3 elements are shown below:
Answer the questions which follow by selecting from the
elements shown above:
1 Which element is a stable noble gas with a full outer shell
of electrons?
2 Which element is a very reactive alkali metal which reacts
violently with water?
3 Which element belongs to the family of halogens (the very
reactive non-metals)?
A 2, 8, 8, 1 B 2, 7 C 2, 8, 8
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Lesson Starter1 Name all the elements present in:
a Lithium chloride
b Sodium carbonate
c Phosphorus hydride
2 State to which family the following elements belong (from the properties described below):
a The element with the electron
arrangement 2, 8, 1 .
b An extremely reactive non-metal.
c An extremely unreactive non-metal.
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S3 ChemistryAtomic Structure and Bonding
Lesson 9 – Lose, Gain, Share: Making Compounds
REVISION
I have developed my knowledge of the Periodic Table by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the types of bonding which exist.
Considering which types of elements are joining together in compounds and learning the rules about when atoms LOSE, GAIN or SHARE electrons.
We can use the name of a compound to predict the type of bonding within it.
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When elements bond they are able to achieve a full outer shell of electrons like a noble gas by LOSING, GAINING or SHARING electrons.
Achieving A Noble Gas Arrangement
We learned in the last lesson that all elements except the noble gases have an incomplete outer electron shell and must form bonds to achieve stability.
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Example 1 - Lithium
Electron Arrangement =
Closest Noble Gas electron arrangement =
Change to electrons =
Achieving A Noble Gas Arrangement -Examples
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Example 2 - Fluorine
Electron Arrangement =
Closest Noble Gas electron arrangement =
Change to electrons =
Achieving A Noble Gas Arrangement -Examples
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Example 3 - Oxygen
Electron Arrangement =
Closest Noble Gas electron arrangement =
Change to electrons =
Achieving A Noble Gas Arrangement -Examples
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Example 4- Aluminium
Electron Arrangement =
Closest Noble Gas electron arrangement =
Change to electrons =
Achieving A Noble Gas Arrangement -Examples
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Example 5 - Carbon
Electron Arrangement =
Closest Noble Gas electron arrangement =
Change to electrons =
Achieving A Noble Gas Arrangement -Examples
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Type of Compound
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Type of Compound
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Type of Compound
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• Ionic compounds form by a metal atom losing electrons and a non-metal atom gaining electrons to form ions.
• Covalent compounds form by two or more non-metal atoms sharing electrons.
Lose, Gain, Share
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the types of bonding which exist.
Considering which types of elements are joining together in compounds and learning the rules about when atoms LOSE, GAIN or SHARE electrons.
We can use the name of a compound to predict the type of bonding within it.
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Mr Wrong
Explain why this student statement is wrong…
“Sodium chloride, like other covalent compounds, bonds by sharing electrons”
Exit Task
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Lesson Starter
Name the type of bonding (compound type) in the following compounds:
A Phosphorus chloride
B Copper chloride
C Hydrogen oxide
D Nitrogen hydride
E Lithium sulfate
covalent
ionic
covalent
covalent
ionic
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 10 – Covalent Bonding
S3 ChemistryAtomic Structure, Bonding & Properties
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How non-metal atoms join together via covalent bonds to form covalent compounds.
Hearing about what a covalent bond is. Drawing covalent molecules and building them using molecular model kits.
We can state the definitions of the terms covalent bond, covalent molecule and diatomic. We can use our periodic table to find and name the 7 diatomic elements.
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a diatomic molecule of that element).
chlorine diatomic molecule
chlorine atom
Covalent Elements
chlorine atom
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compound).
hydrogen atom
chlorine atom
hydrogen chloride diatomic molecule
elements (forming a diatomic molecule of that compound).
different
Covalent Compounds
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A small (usually) group of non-metal atoms joined together by covalent bonds.
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Using Molecular Models – Building Molecules
oxygen
hydrogen
chlorine
nitrogen
Using the molecular model kits (molymods) and the colour key shown opposite build a diatomic molecule of the 4 elements shown in the key.Remember diatomic means 2 atoms.
How many bonds does each molecule have joining the 2 atoms?Remember that where there is a hole in the model atom a bond must be inserted and all bonds must be joined to something (except with Nitrogen).
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How non-metal atoms join together via covalent bonds to form covalent compounds.
Hearing about what a covalent bond is. Drawing covalent molecules and building them using molecular model kits.
We can state the definitions of the terms covalent bond, covalent molecule and diatomic. We can use our periodic table to find and name the 7 diatomic elements.
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Definition
Choose three new words you have learnt today and write
dictionary definitions.
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 11 – Writing Formulae (Prefixes & Diagrams)
S3 ChemistryAtomic Structure, Bonding & Properties
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Lesson Starter
1. What is a covalent bond?
A shared pair of electrons between 2 non-metal atoms.
2. Why do the atoms of some elements form bonds?To achieve stability by obtaining a full outer electron shell like a noble gas.
3. What are the 7 diatomic elements (hint – use your periodic table to help)?Hydrogen, Oxygen, Nitrogen, Fluorine, Chlorine, Bromine, Iodine.
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How to write simple chemical formulae.
Using diagrams to work out formulae.Using prefixes to work out formulae.
We can work out the formula for a compound from a diagram or from a name including a prefix.
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Using Models/Diagrams
carbon
oxygen
hydrogen
chlorine
nitrogen
O2
O O
HH
H
H
Si
SiH4
C C C
HHH
H H H
HH
C3H8
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Hydrogen oxide - water
Hydrogen chloride
Carbon hydride
O
H H
H2O
H Cl HCl
CH4 H4CC
H
HHH
Chlorine Cl Cl Cl2
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Hydrogen
Carbon chloride
H2
CCl4 Cl4CC
Cl
ClClCl
Nitrogen hydrideNH3
H H
NH
H
H
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Chemical Formula From Prefixes
Sometimes the name of a compound contains a prefix which allows us to write the formula.
Prefixes when present before the name of an element tell you how many atoms of that element are present in the formula of that compound.
e.g. sulfur dioxide
Contains 1 sulfur and 2oxygens.
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Complete the table on the right.
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How to write simple chemical formulae.
Using diagrams to work out formulae.Using prefixes to work out formulae.
We can work out the formula for a compound from a diagram or from a name including a prefix.
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Reach For The Stars - Rating Exercise
Rate your understanding of the 2 Key Areas covered today:A Writing Formulae from diagrams/modelsB Writing Formulae from names with a prefix
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Lesson Starter1. Write the formulae for the following molecules:
a)
NF3
3. Write the formula for sulfur dioxide.
Hint – Does the name have a prefix?
2. Write the formula for nitrogen trifluoride.
Hint – Does the name have a prefix?
SO2
C3H8CCl4
b)C C C
HHH
H H H
HH
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 12 – Ionic Bonding
S3 ChemistryAtomic Structure, Bonding & Properties
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Learning Objectives & Success CriteriaToday we will learn …
We will do this by …
We will have succeeded if…
Reflecting on what we learned in our lose, gain, share lesson. Learning the definition for an ion and how ions bond together.
We can state what happens to metals and non-metals when they bond to form ionic compounds.
How metal and non-metal atoms become ions and how they subsequently join together via ionic bonding to form ionic compounds.
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Metals form positive ions and non-metals form negative ions.
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Ionic Lattice
Lots of these oppositely charged ions bond together to form a huge structure called an ionic lattice.
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Learning Objectives & Success CriteriaToday we will learn …
We will do this by …
We will have succeeded if…
Reflecting on what we learned in our lose, gain, share lesson. Learning the definition for an ion and how ions bond together.
We can state what happens to metals and non-metals when they bond to form ionic compounds.
How metal and non-metal atoms become ions and how they subsequently join together via ionic bonding to form ionic compounds.
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Draw a mindmap to summarise the different types of bonding you have learned about and
what is different in each type.
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Lesson Starter1. What is an ion?
2. Fill in the missing words in the passage below.
lost
An ion is an atom which has lost or gained electrons.
In ionic bonding electrons are _______ from metal atoms and _______ by non-metal atoms to form charged particles called ions.
Metal atoms form _______ charged ions and non-metals form _______ charged ions.
gained
positivenegative
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 13 – Word Equations
S3 ChemistryAtomic Structure, Bonding & Properties
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How to write equations which summarise the chemicals involved and how they change in a chemical reaction.
Learning about what must be and what must not be included in word equations. Practising writing word equations from descriptions of chemical reactions.
We can write a word equation for any chemical reaction which is described for us.
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Word Equations• A word equation describes what we start with
(reactants) during a chemical reaction and what we end up with (products).
• It is similar to a recipe with reactants being like the ingredients and the product(s) being what we have made using those ingredients.
• The ingredients or reactants appear on the left of the equation while the products appear on the right.
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plus Changes into ORReacts to produce
Reactants appear on the left of the arrow and products appear on the right.
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Word Equations
Example 1
Sodium reacts with chlorine to produce
sodium chloride
Sodium + chlorine sodium chloride
When you are given a sentence telling you how a chemical reaction has taken place, you should be able to write a word equation from that.
reactants
products
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Acid + Alkali Salt + Water
Example 2
Acid reacts with alkali to produce salt and water.
reactants
products
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Example 3
Nitrogen and hydrogen combine to form nitrogen hydride.
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Mercury oxide decomposes on heating to form mercury and oxygen.
Example 4
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Calcium carbonate fizzes up when it is added to nitric acid. This is because carbon dioxide gas is being made. Calcium nitrate and water are left in the beaker at the end of the reaction.
Example 5
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Your body uses food and oxygen to make carbon dioxide and water in a process called respiration.
Example 6
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Rusting happens when iron reacts with the oxygen in air to form iron oxide
Example 7
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Try the 2 sheets of examples on writing word equations. The examples in the first sheet have been partially done for you.
DO NOT WRITE ON THE SHEETS
Copy and complete the word equations into your jotter for both exercises.
Word Equation Extension Task
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
How to write equations which summarise the chemicals involved and how they change in a chemical reaction.
Learning about what must be and what must not be included in word equations. Practising writing word equations from descriptions of chemical reactions.
We can write a word equation for any chemical reaction which is described for us.
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State what is wrong with each of the following word equations.
1.carbon + oxygen gas carbon dioxide
2.zinc + hydrochloric acid = zinc chloride +
hydrogen
3.Lead iodide and potassium nitrate are produced when
lead nitrate and potassium iodide are reacted together
Exit Task – Spot the Blooper!
Lead iodide + potassium iodide lead nitrate + potassium iodide
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 14 – Properties of Compounds: Physical State & Solubility
S3 ChemistryAtomic Structure, Bonding & Properties
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Lesson StarterCopy the table then sort each substance name under the correct heading.
Metal element
Non-metal element
Ionic compound
Covalent compound
iron copper chloride
carbon (graphite)
wax (C12H52)
bromine potassium sulfide
glucose (C6H12O6)
sodium bromide
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of compounds and how properties link to the bonding type in compounds.
Examining the state of different compounds at room temperature. Testing the solubility of various compounds. Spotting any patterns linked to the bonding type of compounds.
We can make statements about how bonding type links to the state of different compounds at room temperature and their solubility.
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Ionic substances are always found in the _________ state at room temperature.
Covalent substances can be found in ________ state at room temperature (________ , ________ or __________).
Physical State And Bonding Type Conclusions
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Compound Type of Bonding Soluble /Insoluble
Copper chloride (CuCl2)
Sucrose (C12H22O11)
Sodium chloride (NaCl)
Sand / Silicon dioxide (SiO2)
Sodium thiosulfate
(Na2S2O3)
Starch (C6H10O5)n
Paraffin Wax (C12H52)
Solubility And Bonding Type ExperimentTest the solubility of each of the substances listed below and try to spot any patterns based on bonding type.
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of compounds and how properties link to the bonding type in compounds.
Examining the state of different compounds at room temperature. Testing the solubility of various compounds. Spotting any patterns linked to the bonding type of compounds.
We can make statements about how bonding type links to the state of different compounds at room temperature and their solubility.
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KWL (Know, Want,
Learned)
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
Lesson 15 – Properties of Compounds: Electrical Conductivity
S3 ChemistryAtomic Structure, Bonding & Properties
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of compounds and how properties link to the bonding type in compounds.
Carrying out electrical conductivity tests on different compounds. Spotting any patterns linked to the bonding type of compounds.
We can make statements about how bonding type links to the electrical conductivity of different compounds.
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Electrical Conductivity
Electricity is a flow of charged particles.
What happens when a substance is included as part of an electrical circuit gives us information about the particles in the substance and the way they are held together.
The terminals through which the electrical current enters and leaves the substance under test are called the electrodes.
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Compound State Type of Bonding
Conductor/ Non-conductor
Copper chloride (CuCl2)
Copper chloride (CuCl2) solution
Sodium chloride (NaCl)
Sodium chloride (NaCl) solution
Sodium thiosulfate (Na2S2O3)
Sodium thiosulfate (Na2S2O3)
solution
Sucrose (C12H22O11)
Sucrose (C12H22O11) solution
Starch (C6H10O5)n
Paraffin Wax (C12H52)
Sand / Silicon dioxide (SiO2)
Testing the Conductivity of CompoundsTest the conductivity of each of the substances listed below and try to spot any patterns based on bonding type.
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Testing the Conductivity of Compounds-Results
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
About the properties of compounds and how properties link to the bonding type in compounds.
Carrying out electrical conductivity tests on different compounds. Spotting any patterns linked to the bonding type of compounds.
We can make statements about how bonding type links to the electrical conductivity of different compounds.
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Exit Task
Property Ionic Compounds Covalent Compounds
State(s) at room
temperature
Relative melting & boiling
points
Solubility in water
Electrical conductivity
(solid)
Electrical conductivity
(solution)
Electrical conductivity
(molten)
Lesson 15
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Produce a mind map to summarise the
properties of elements and compounds
HINT – some key words you might want to include:
Metals, non-metals, ionic, covalent, physical
state, solubility, electrical conductivity.
Lesson Starter – Mind Map
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REVISION
I have developed my knowledge of the PeriodicTable by considering the properties and uses of a variety of elements relativeto their positionsSCN 3-15a
NEW LEARNING
Through gaining an Understanding of the structure of atoms and how they join, Ican begin to connect theproperties of substances withtheir possible structuresSCN 4-15a
Atomic structure and bonding related to properties of materialsNational 4
OPTIONAL Lesson 16 – Conductivity of Substances Explained
S3 ChemistryAtomic Structure, Bonding & Properties
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
To explain the conductivity of substances and how properties link to the structure and bonding type.
Learning about the bonding and structure in different types of substances. Making links between bonding type and conductivity in those substances.
We can explain why substances conduct electricity in terms of their bonding and structure.
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Learning Objectives & Success Criteria
Today we will learn …
We will do this by …
We will have succeeded if…
To explain the conductivity of substances and how properties link to the structure and bonding type.
Learning about the bonding and structure in different types of substances. Making links between bonding type and conductivity in those substances.
We can explain why substances conduct electricity in terms of their bonding and structure.
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Exit Task -Elements & CompoundsSort the list of substances (containing both elements and compounds) under the correct headings below.