Unit 4 Grid Review: Atoms

Front

A particle that moves around the nucleus is called an _________.

Back

Electron

Front

True or False? Neutrons have a negative charge.

Back

False

Front

Particles in an atom that are neutral and have no charge are __________.

Back

Neutrons

Front

What is the number of protons in an atom of the element with atomic number 7?

Back

7

Front

If an atom has 12 protons and 13 neutrons, what is its isotope notation?

Back

Mg-25

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons

Front

How do you determine the atomic number of an element?

Back

By counting the number of protons in the nucleus.