Atomic Structure

Front

Which subatomic particle has a POSITIVE charge?

Back

Proton

Front

An atom is ______________.

Back

the smallest unit of matter

Front

The two subatomic particles found in the nucleus are ____________________.

Back

protons and neutrons

Front

Which subatomic particle has a NEGATIVE charge?

Back

Electron

Front

Protons are labeled __________ in the diagram.

Back

c

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, and Electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of an atom.

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 overall charge of an atom?

Back

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