The Atom

Front

Which two particles make up the nucleus of an atom?

Back

Protons and Neutrons.

Front

The nucleus is ____________ charged.

Back

positively.

Front

What charge does a proton have?

Back

Positive.

Front

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

Back

Electron.

Front

In a neutral atom, what is the number of protons equal to?

Back

The number of electrons.

Front

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

Back

Atom.

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, and Electrons.

Front

What is the charge of a neutron?

Back

Neutral.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

What is the mass of an electron compared to protons and neutrons?

Back

Much smaller.