Front

What is all matter made of?

Back

Atoms.

Front

What are the particles in an atom that are neutral and have no charge?

Back

Neutrons.

Front

Where are electrons of an atom found?

Back

In the Electron Cloud; they orbit around the nucleus.

Front

If an atom has an atomic mass number of 26.982 and an atomic number of 13, how many neutrons does it have?

Back

14.

Front

How does the size of a proton compare to the size of a neutron?

Back

They are equal.

Front

What is the center of an atom called?

Back

The nucleus.

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.