Atomic Number, Atomic Mass

Front

What is the total charge of an atom with 8 protons, 7 neutrons, and 6 electrons?

Back

+2

Front

Which element has 8 protons?

Back

Neon

Front

What are atoms of the same element with different numbers of neutrons called?

Back

Isotopes

Front

What are subatomic particles with a negative charge?

Back

Electrons

Front

What is the measure of the nuclear particles, protons + neutrons, called?

Back

Mass number

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How is atomic mass different from mass number?

Back

Atomic mass is the weighted average mass of an element's isotopes, while mass number is the total number of protons and neutrons.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of a neutron?

Back

0 (neutral)

Front

What is the charge of an electron?

Back

-1