Parts of an atom

Front

What is the nucleus of an atom?

Back

The central region of an atom where protons and neutrons are located.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles that have no charge and are 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 atomic mass?

Back

The total mass of an atom, calculated as the sum of protons and neutrons.

Front

What distinguishes one element from another?

Back

The number of protons in the nucleus of an atom.

Front

What is an electron cloud?

Back

The region around the nucleus where electrons are likely to be found.

Front

What is the charge of a neutron?

Back

Neutrons have no charge.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.