Front

What are the tiny particles that make up all matter?

Back

Atoms

Front

What determines the element of an atom?

Back

The number of protons.

Front

True or False: Atoms are big.

Back

False

Front

What is the atomic number of an element determined by?

Back

The number of protons in its nucleus.

Front

True or False: Neutral particles have a charge.

Back

False.

Front

What is an element?

Back

A substance that cannot be broken down into simpler substances and is made up of only one type of atom.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles 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 the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.