Atoms

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

Electrons

Front

All matter is made of _________.

Back

Atoms

Front

How many neutrons does nitrogen have?

Back

7

Front

An electron has a _________ charge.

Back

Negative

Front

What is the correct formula for calculating how many neutrons are in an atom?

Back

Atomic mass - Atomic number = Neutrons

Front

What is the center of an atom called?

Back

Nucleus

Front

What are the positively charged particles in an atom?

Back

Protons

Front

What is the charge of neutrons?

Back

Neutral

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.