Atomic Structure I

Front

What did Rutherford's gold foil experiment show?

Back

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

Front

What is determined by adding the number of protons and neutrons?

Back

Mass number.

Front

Which subatomic particle determines the identity of the atom?

Back

Proton.

Front

Which statement about subatomic particles is true?

Back

An electron has far less mass than either a proton or neutron.

Front

What particles are found in the nucleus of the atom?

Back

Neutrons and protons.

Front

What is the center of an atom called?

Back

Nucleus.

Front

What charge do protons have?

Back

Positive charge.

Front

What charge do electrons have?

Back

Negative charge.

Front

What is the mass of a neutron compared to a proton?

Back

About the same.

Front

What is the atomic number?

Back

The number of protons in an atom.