Front

What are the three subatomic particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do neutrons have?

Back

Neutral.

Front

What is a subatomic particle that has a positive charge?

Back

Proton.

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What is the overall charge of an atom?

Back

Neutral, because the number of protons equals the number of electrons.

Front

What is the Periodic Table of Elements?

Back

A tabular arrangement of all known chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.