Atoms

Front

What is an atom?

Back

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

Front

What are the three main particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus of the atom.

Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

What charge do neutrons have?

Back

Neutrons have no charge (neutral).

Front

How do you determine the atomic number of an element?

Back

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

Front

If an atom has 6 protons, what element is it?

Back

It is Carbon.

Front

What is the atomic mass of an atom?

Back

The atomic mass is the total number of protons and neutrons in the nucleus.

Front

Can the number of protons and neutrons in an atom be different?

Back

Yes, the number of protons and neutrons can be different.