Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can...

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Objectives • I can compare the properties of ionic and covalent compounds with a Venn diagram. • I can practice drawing Lewis Dot Diagrams of molecules by completing a worksheet. • I can investigate the relationship between electronegativity and chemical bonding by sorting compounds by electronegativity data.

Transcript of Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can...

Page 1: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Objectives

• I can compare the properties of ionic and covalent compounds with a Venn diagram.

• I can practice drawing Lewis Dot Diagrams of molecules by completing a worksheet.

• I can investigate the relationship between electronegativity and chemical bonding by sorting compounds by electronegativity data.

Page 2: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent Bonds

• Bond Strength = the energy needed to break the bonds between atoms in a compound.

Page 3: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent Bonds

Ionic Bonds Covalent Bonds

Atoms in ionic compounds are held together by ionic bonds.

Atoms in covalent or molecular compounds are held together by covalent bonds.

Ionic bonds are stronger (more bond strength)

Covalent bonds are weaker (less bond strength)

Page 4: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent Bonds

Ionic Bonds Covalent Bonds

Formed by Transfer of electrons

Formed by Sharing of electrons

Page 5: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent Bonds

Ionic Bonds Covalent Bonds

Structure: Crystal Lattice Structure: Molecules

Lithium Chloride (LiCl) crystal lattice

Water (H2O) molecules

Page 6: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent Bonds

Ionic Bonds Covalent Bonds

Consist of Metal and nonmetal

Consist of Nonmetal and nonmetal

Page 7: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent BondsIonic Bonds Covalent Bonds

State of matter: Solid at room temp.

State of matter: Solid, Liquid or Gas at room temp.

Page 8: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent BondsIonic Bonds Covalent Bonds

Conductivity? Conducts electricity when dissolved.

Conductivity: Does not conduct electricity when dissolved.

Page 9: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Ionic vs. Covalent

• Think, Pair, Share: With a partner, fill in the middle overlapping portion of the Venn diagram. What do ionic and covalent compounds have in common?

• Possible answers:– types of compounds, formed by chemical

bonds, include more than one atom, involve electrons, are formed and broken by chemical reaction

Page 10: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

Chemistry of Life All organisms (living things) are made

of macromolecules. Macromolecules are large covalent

compounds. The atoms in proteins, carbohydrates,

nucleic acids, and lipids are all connected by covalent bonds.

Page 11: Objectives I can compare the properties of ionic and covalent compounds with a Venn diagram. I can practice drawing Lewis Dot Diagrams of molecules by.

3 Types of Bonding**IONIC *COVALENT METALLIC

How are Bonds Formed?

ELECTRONS are transferred between ions (1 steals, 1 gives)

Electrons are shared between atoms.

“Sea of Electrons” Spread all over between atoms of the same element.

Type of Bond Formed

Solid Crystals with repeating patterns of (+) and (-) ions

Usually liquid or solid

Solid metal

Who’s Involved?

METAL + NON-METAL

NON-METAL + NON-METAL

METAL AND METAL

Special Properties

When dissolves in H20, conducts electricity

Does not conduct electricity

Very good conductors of electricity on their own!


PROBABILITY 3. Probabilities can be calculated using information given on a Venn diagram.

PROBABILITY 3. Probabilities can be calculated using information given on a Venn diagram.

Venn Introduccion

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Venn Diagram

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