Atomic Theory

Front

What does the word 'atom' mean in Greek?

Back

Indivisible

Front

What particle is found in the nucleus and has no charge?

Back

Neutron

Front

List the correct sequence of scientists who made major changes in the model of the atom: John Dalton, J.J. Thomson, Niels Bohr, Ernest Rutherford.

Back

2, 1, 4, 3

Front

What particle is found in the nucleus and has a positive charge?

Back

Proton

Front

Who is best known for the 'Plum Pudding' model of the atom?

Back

J.J. Thomson

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

Who proposed the atomic theory that matter is made up of indivisible atoms?

Back

John Dalton

Front

What model of the atom did Niels Bohr propose?

Back

The Bohr model, which describes electrons orbiting the nucleus in fixed paths.