Atomic Structure Review

Front

_______ is the average mass of all the isotopes of an element.

Back

Atomic Mass

Front

Value representing the number of protons in an element.

Back

Atomic Number

Front

What does the figure show?

Back

two different isotopes

Front

Which particles are NOT inside the nucleus of atoms?

Back

Electrons

Front

What is the atomic number of this atom?

Back

2

Front

The center of an atom, containing protons and neutrons, is called what?

Back

Nucleus

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative

Front

The sum of protons and neutrons in an atom is known as what?

Back

Mass Number