Atoms

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are the three main subatomic particles in an atom?

Back

Electrons, protons, and neutrons.

Front

What charge does a proton have?

Back

A proton has a positive charge.

Front

What charge does a neutron have?

Back

A neutron has no charge, it is neutral.

Front

What charge does an electron have?

Back

An electron has a negative charge.

Front

Where are protons and neutrons located in an atom?

Back

Protons and neutrons are located in the nucleus of the atom.

Front

Where are electrons found in an atom?

Back

Electrons are found in the orbitals or rings around the nucleus.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom that contains protons and neutrons.

Front

What is the mass of a neutron compared to a proton?

Back

A neutron has a mass similar to that of a proton.

Front

What is the overall charge of an atom?

Back

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