U02 Atomic Structure Review

Front

Isotopes have the same number of ____, but different number of ____.

Back

protons + electrons; neutrons

Front

What is the symbol for a Rubidium ion with a charge of +1?

Back

Rb⁺

Front

An atom becomes _________ when it gains electrons.

Back

Negative

Front

How many neutrons are in fluorine-20?

Back

11

Front

What is found in the nucleus of atoms?

Back

Protons and neutrons.

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.

Front

What charge does a proton have?

Back

Positive charge.

Front

What charge does a neutron have?

Back

No charge (neutral).

Front

What charge does an electron have?

Back

Negative charge.