Atoms!

Front

What is the mass number?

Back

The mass number is the number of protons and neutrons in an atom.

Front

What are ions?

Back

Ions are atoms with a positive or negative charge.

Front

What is all matter made of?

Back

All matter is made of atoms.

Front

What is the smallest particle of any particular type of matter?

Back

The smallest particle of any particular type of matter is known as an atom.

Front

What is the overall charge of an atom?

Back

An atom's overall charge is neutral.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is an element?

Back

An element is a pure substance made of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.