Front

What did Rutherford's gold foil experiment demonstrate?

Back

There is a dense positively charged nucleus at the center of an atom.

Front

What are subatomic particles with a negative charge called?

Back

Electrons

Front

How did each model of the atom contribute to the development of atomic theory?

Back

Each model built upon the other to show new particles or properties of previously discovered particles.

Front

What are subatomic particles with a positive charge called?

Back

Protons

Front

Who discovered the electron within the atom?

Back

Thomson

Front

What is the central part of an atom called?

Back

Nucleus

Front

What are neutrons?

Back

Subatomic particles with no charge found in the nucleus of an atom.

Front

What is the charge of protons?

Back

Positive charge.

Front

What is the charge of neutrons?

Back

No charge.

Front

What is the charge of electrons?

Back

Negative charge.