Front

What is the center of an atom called?

Back

Nucleus

Front

What does the atomic number represent in an atom?

Back

The number of protons.

Front

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

Back

Protons and neutrons.

Front

Which subatomic particle has a negative charge?

Back

Electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

How do electrons move in relation to the nucleus?

Back

They move around the nucleus.

Front

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

Back

A proton is approximately 1836 times more massive than an electron.

Front

What is the role of neutrons in the nucleus?

Back

Neutrons help stabilize the nucleus.