Atomic Theory

Front

What is the smallest subatomic particle discovered in the cathode ray tube experiment?

Back

Electron

Front

Who proposed that the atom is mostly large empty space with a small, dense nucleus at the center?

Back

Rutherford

Front

What is the name of the model where electrons orbit at certain distances from the nucleus and can absorb or emit energy?

Back

Bohr's Model

Front

What conclusion did Rutherford's gold foil experiment lead to regarding the structure of the atom?

Back

The nucleus is very small and the atom is mostly empty space.

Front

Which scientist proposed the atomic theory that states atoms are indivisible and indestructible?

Back

Dalton

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 did Thomson discover about the atom?

Back

He discovered the electron and proposed the 'plum pudding' model.

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.