Parts of an atom

Front

What is the atomic number?

Back

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

Front

What is matter made of?

Back

All matter is made of atoms.

Front

How many neutrons are in an atom of Fluorine?

Back

An atom of Fluorine has 10 neutrons.

Front

Where are protons and neutrons found in an atom?

Back

Protons and neutrons are found in the nucleus of an atom.

Front

Which subatomic particles contribute the most to the mass of an atom?

Back

Protons and neutrons contribute the most to the mass of an atom.

Front

What are the three main subatomic particles?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Protons carry a positive charge.

Front

What charge do neutrons carry?

Back

Neutrons carry no charge (they are neutral).

Front

What charge do electrons carry?

Back

Electrons carry a negative charge.

Front

Where are electrons located in an atom?

Back

Electrons are located in energy levels (or shells) outside the nucleus.