Atomic Theory Flashcard

Front

What are the three basic parts of an atom?

Back

Protons, neutrons, electrons.

Front

What did Rutherford conclude about the atom?

Back

The atom has a nucleus with a positive charge.

Front

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

Back

J.J. Thomson.

Front

What is the main difference between the Electron Cloud Model and the Bohr Model?

Back

The placement of the electrons.

Front

Which scientist proposed that the atom is a solid sphere?

Back

John 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 is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

What did Dalton's atomic theory propose?

Back

Atoms are indivisible and make up all matter.