Ionic Bond’s Notes /

Ch. 4-1: p.p. 114-119

An atom that gains one or more electrons will have a ____________________ charge.

An atom that loses one or more electrons will have a ____________________ charge.

An atom that gains or loses one or more electrons is called an ____________.

A positive ion is called a ______________ and a negative ion is called an _______________.

ION

“An-Eye-On”“Cat-Eye-On”

There are ____ types of bonds:

1.Ionic Bonds – Metals bond with ________ (electrons are taken, not shared)

2. _________ Bonds – Nonmetals bond with _____________ (share electrons)

3. Metallic Bonds – ______ bond with _____ (“positive ions in a sea of electrons” to describe metallic bonding)

______ p 115

An atom or group of atoms that is ___________ _________.

What is an ionic _________?

Atoms will transfer one or more ________________ to another to form the bond.

Each atom is left with a ________________ outer shell.

An ionic bond forms between a ___________ ion with a positive charge and a

________________ ion with a negative charge.

*Ionic bonds attract ______________ charged ions. (_________ bonded with a ____________)

ion

11P - 10E = _____ 17P - 18E = ______

________ ____

- Ionic Bonds

More _________ = ___________ Charge (+) whereas_________ Electrons = ____________ Charge (-)

- Ionic Bonds

- Ionic Bonds

ionic bond

Na + Cl Na + Cl Na Na++ClCl--

*The ionic bond is ____________.

Turn to page 116 and answer the following questions:

Q. What is an ionic bond?

A:________________________________________

_________________________.

Q. What is the overall charge on an ionic compound?

A:________________________________________

_________________________.

_________ ________•Number of ________ an atom _____, _____ or ______when it ____ a chemical bond.

•Also called ________.

Oxidation NumberOxidation Number

The ________of electrons an _____ will gain OR lose to be _______

Let’s complete the chart for each element (see Bonding Basic h/o)…

Now let’s complete each ionic bond!

Example 3: Sodium + Oxygen Example 4: Sodium + Chlorine

Example 5: Calcium + Chlorine Example 6: Aluminum + Chlorine

atomic ion p.117

•An ion that is made of ______ _____ one atom.

polyatomic ion

polyatomic ionpolyatomic ion• Carbonate ion: CO3

2-

Q. How many carbon atoms?A: ___ carbon atom Q. How many oxygen atoms?A: ___ oxygen atomsQ. What is the overall charge?A. overall charge of _____

Naming ionic compounds p.117Naming ionic compounds p.117• The name of the __________ ion comes FIRST

• The name of the __________ ion comes LAST

• The __________ ion is __________ the name of the ____________.

• If the name of the _________ ion is an element, the ______ of its name changes to -ide

•For example, MgO is…

•magnesium oxide•Look at page 115, Fig. 2 for names of ions.•Complete the following in your notes, page 119 #4:

Page 119 #4

NaF

_________ __________

BeI2

_________ __________

K2SO4

_________ __________

Page 119 #4

CaO__________ __________

H2S__________ __________

MgCo3

__________ __________

_________ p.118

•An ________, 3-dimensional ______ of _____ or _____ in a ______.

Crystals

Crystal ________Crystal ________

• Look at Fig. 4 on p.118

• What general characteristics of crystals can you observe in the photograph of halite?

Crystals have tight, ___________ bonds

Look at p.118Look at p.118

Na + Cl Na + Cl Na Na++ClCl--

___________ of ionic compounds___________ of ionic compounds

pages 118-119

The characteristic properties of ionic compounds include:

1. __________ ___________

2. ________ melting ________

3. ____________ conductivity

__________ Shape

High Melting PointsQ. Why are ionic bonds so strong?•Answer: Every ion is __________ to ions _________ it that have an ___________ ____________.

*When exposed to high ________, the particles do ________ away from each ___________.

_________ ConductivityQ. Why do ionic compounds

dissolve/separate in water?

• Answer: ________ breaks ions ______, allowing the ions to move __________.

Ionic Bonding ActivityIonic Bonding Activity

http://www.learner.org/interactives/periodic/groups_interactive.html