Atomic Structure & History

Front

How many Protons + Neutrons are in one atom of Lithium?

Back

7

Front

How many Electrons are in one atom of Lithium?

Back

3

Front

Particles in an atom that are neutral and have no charge are:

Back

neutrons

Front

The positive particles of an atom are:

Back

protons

Front

The number in the upper corner of an element tile (7 for nitrogen) is called:

Back

the atomic number

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 mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.