DC CHEM END OF YEAR REVIEW

Front

If the number of protons equal the number of _____, the atom will have no charge.

Back

electrons

Front

The subatomic particle with a negative charge is the

Back

electron

Front

What is the atomic number?

Back

the number of protons

Front

mass number

Back

the number of protons and neutrons

Front

An atom with an unequal number of protons and electrons is said to have

Back

charge

Front

Ions are:

Back

atoms with a positive or negative charge

Front

How many neutrons does the isotope of lithium have?

Back

5

Front

The state of matter that takes the shape of its container is...

Back

Liquid

Front

State of matter with molecules having the lowest energy: Gas, Solid, Liquid

Back

Solid

Front

Thermal energy transfers...

Back

From hotter to colder material