Parts of an Atom

Front

What are the three main subatomic particles in an atom?

Back

Protons, Neutrons, and Electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.

Front

What is the electron cloud?

Back

The region around the nucleus where electrons are likely to be found.

Front

What is the mass of a proton compared to an electron?

Back

A proton is much heavier than an electron.

Front

What is the nucleus of an atom?

Back

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

Front

What is an atom?

Back

The basic unit of matter that makes up everything.

Front

What is the role of electrons in an atom?

Back

Electrons are involved in chemical bonding and reactions.