Front

What is the atomic number?

Back

The atomic number is the number of protons in an atom.

Front

A particle that moves around the nucleus is a(n)...

Back

Electron.

Front

The positive particles of an atom are...

Back

Protons.

Front

All matter is made of...

Back

Atoms.

Front

What does the nucleus consist of?

Back

Protons and Neutrons.

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 atom?

Back

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

Front

What is the nucleus of an atom?

Back

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