Atom Structure

Front

Which particle has a positive charge?

Back

Proton

Front

Which particles make up the nucleus of an atom?

Back

Protons and Neutrons

Front

The negatively charged particles of an atom are the ______.

Back

Electrons

Front

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

Back

The number of electrons.

Front

What goes in place of the question marks? Atomic Mass, Atomic Number, Electrons

Back

Atomic Mass

Front

What is the center of an atom called?

Back

Nucleus

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of an electron?

Back

Negative charge

Front

What is the smallest unit of an element?

Back

Atom

Front

What do we call the number of protons in an atom?

Back

Atomic Number