Atoms

Front

What are the two subatomic particles found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What charge does a neutron have?

Back

No charge (neutral).

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus.

Front

What do the properties of an atom depend on?

Back

The number of subatomic particles in the atom.

Front

Where is most of the mass of an atom located?

Back

In the nucleus.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

How do protons and electrons differ?

Back

Protons have a positive charge, while electrons have a negative charge.

Front

What is the charge of an atom overall?

Back

An atom is neutral because it has equal numbers of protons and electrons.