Parts of an Atom

Front

What is an atom?

Back

The smallest piece of matter.

Front

What is the center of an atom called?

Back

Nucleus.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is atomic mass?

Back

The total number of protons and neutrons in an atom.

Front

Which subatomic particle is the smallest?

Back

Electrons.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.