Atomic Theory

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Slide 1

Slide 2

Key words

Symbol

Mixture

Physical change

chemical change

Proton

Liquid

Thermal energy

Freezing

Compound

chemical reaction

Molecule

electron

Neutron

Gas

vaporization

coalesce

matter

atomic number

atomic mass

periodic table

nucleus

evaporation

boiling

element

conservation of mass

Period

ductile

magnetic

condensation

sublimation

atom

precipitate

malleable

conductor

corrosion

superheated gases coalesce

deposition=frost

heterogeneous mixture

homogeneous mixture

combustibility

Slide 3

Forces & Particles

Gravity Matter

Magnetism Anti-Matter

Strong Nuclear Forces

Weak Nuclear Forces

EVERYTHING in the Universe can be divided up into . . .

Slide 4

Forces

Gravity Magnetism

Acts on Acts on

ALL matter charged particles

Always pulls Pulls or pushes

Strong & weak Nuclear Forces

hold the nucleus together

Slide 5

Forces

Gravity Magnetism

Acts on Acts on

ALL matter charged particles

Always pulls Pulls or pushes

Magnetism is about 1040 times more powerful than gravity.

10,000,000,000,000,000,000,000,000,000,000,000,000,000.

Slide 6

Particles

Matter anti-Matter

e+1

e-1

Example:

electron positron

Slide 7

The picture below shows three objects that can be classified in the same group. Which of the following statements is true for all three of these objects?

They are metals.

They rust rapidly.

They weigh the same.

They are the same color.

Slide 8

Which pair of elements is MOST similar?

Ca and F Na and Cl Ne and Ar Li and H

Slide 9

Copper is an element that is used in electrical wires. What is the smallest unit of copper that still maintains the characteristics of copper?

the atom

the electron

the nucleus

the proton

Slide 10

In making a pizza, which process involves a chemical change?

Mixing spices for the sauce