Topic 3

Front

What are the three states of matter?

Back

Solid, Liquid, Gas

Front

Which state of matter has the least amount of energy?

Back

Gas

Front

What happens to the distance between particles in a liquid when energy is removed?

Back

The distances between particles decreases.

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative

Front

How many electron shells does an atom of Lithium have?

Back

2

Front

What is the smallest unit of an element?

Back

An atom.

Front

What is the term for a substance made of only one type of atom?

Back

Element.

Front

What is the term for a combination of two or more different elements?

Back

Compound.