Atomic Theory Scientists Review Chem C

Front

Who conducted the gold foil experiment?

Back

Rutherford

Front

Who discovered the electron?

Back

Thomson

Front

What did Bohr propose about electron movement?

Back

Electrons travel in fixed orbits.

Front

What term did Democritus use to describe the indivisible atom?

Back

Atomos

Front

What is the charge of an electron?

Back

Negatively charged.

Front

What is the main contribution of Dalton to atomic theory?

Back

Proposed that all matter is made of atoms, which are indivisible and indestructible.

Front

What did J.J. Thomson discover about the atom?

Back

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

Front

What is the significance of Rutherford's gold foil experiment?

Back

It led to the discovery of the atomic nucleus.

Front

What model of the atom did Niels Bohr propose?

Back

The Bohr model, which describes electrons in fixed orbits around the nucleus.

Front

What did the term 'atomos' imply about matter?

Back

It implied that matter is made up of indivisible particles.