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Atomic Theory
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Plasma

“Superheated Gas”

When atoms are so hot,

they lose ALL

of their

electrons.

Slide 111

Boiling

Boiling

Melting

Freezing

Condensation

Solid

Liquid

Gas

Sublimation

Slide 112

Solid

Solid

Liquid

Gas

Sublimation

When a solid

turns directly

into a gas.

Dry ice is

solid CO2

Slide 113

Solid

Solid

Liquid

Gas

Condensation

When a gas

turns into

into a liquid.

Dry ice is

solid CO2

Slide 114

Solid Liquid Gas Plasma

Solid Liquid Gas Plasma

Made of

Atoms

Holds

its shape

Atoms move

past each

other

Slide 115

The solid, liquid, and gaseous states of water differ from each other in

The solid, liquid, and gaseous states of water differ from each other in

the mass of the individual atoms.

the size of the individual atoms.

the net electrical charge of the individual molecules.

the average speed of movement of the individual molecules.

Slide 116

Fireworks contain different elements in them for displaying different colors. The different colors occur because:

Fireworks contain different elements in them for displaying different colors. The different colors occur because:

a.the different elements burn at different temperatures.

b.atoms of various elements react with each other differently.

c.atoms of various elements emit light at different frequencies.

d.atoms of different elements have different numbers of protons.

Slide 117

Ionic bond

Ionic bond

Li F

2

1

2

1

Slide 118

Li F

Li F

Ionic bond

2

1

2

1

Slide 119

Li+1 F-1

Li+1 F-1

Ionic bond

2

1

2

1

The attraction between a cation and an anion.

Slide 120

Crystal - a solid network of cations and anions held together by ionic bonds.

Crystal - a solid network of cations and anions held together by ionic bonds.

Slide 121

Ion

Ion

An atom or molecule with a + or – charge.

Slide 122

Cation

Cation

an ion with a positive charge.

Anion

an ion with a Negative charge.

A

I

O

N

+

-

Slide 123

Cations

Cations

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