Chem Subatomic Particles Review

Front

Positive(+) Charges are called

Back

Protons

Front

What is the atomic number of the element shown?

Back

8

Front

Changing the Number of Neutrons changes the element itself.

Back

False

Front

Neutral Charges are called

Back

Neutrons

Front

Electrons are located where in the atom?

Back

Electron Cloud (Outside the Nucleus)

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge do Electrons carry?

Back

Negative(-) Charge

Front

What is the mass of a Proton compared to a Neutron?

Back

Approximately equal, both are about 1 atomic mass unit (amu)

Front

What is the role of Neutrons in the nucleus?

Back

They provide stability to the nucleus by offsetting the repulsive forces between Protons.

Front

What is an Ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.