Atomic Theory/Structure # 1 (finals review)

Front

Who discovered the current model of the atom?

Back

Schrodinger.

Front

What is the subatomic particle that has a negative charge and is located outside of the nucleus?

Back

Electron

Front

What are the subatomic particles that are neutral in charge?

Back

Neutrons

Front

How many neutrons does uranium-239 have?

Back

147

Front

What is the nucleus made up of?

Back

Protons and neutrons.

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

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.