Atoms and Elements Assessment

Front

This subatomic particle has a positive charge.

Back

Proton

Front

This subatomic particle has a negative charge.

Back

Electron

Front

An element's atomic number is the same as the number of ____________.

Back

Protons

Front

Which subatomic particles are located in the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the center of an atom called?

Back

Nucleus

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the mass of a proton compared to an electron?

Back

Proton is much heavier than an electron.

Front

What determines the identity of an element?

Back

The number of protons in its nucleus.

Front

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

Back

Element