Properties of Atoms

Front

What is the sum of protons and neutrons in the nucleus of an atom called?

Back

Mass Number (also called Atomic Mass)

Front

What gives an atom its mass?

Back

Protons and neutrons in the nucleus.

Front

What type of subatomic particles are found in the electron cloud?

Back

Electrons.

Front

How many protons does the element with atomic number 7 have?

Back

7 protons.

Front

What charge does an atom acquire when it gains electrons?

Back

Negative charge.

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the charge of an electron?

Back

Negative charge.