Early Atomic Theories

Front

What charge do electrons have?

Back

Negative

Front

Niels Bohr suggested that electrons:

Back

Are found in specific orbits

Front

What charge do protons have?

Back

Positive

Front

Rutherford discovered this part of the atom:

Back

Nucleus

Front

What scientist is best known for his 'Plum Pudding' model of the atom?

Back

J.J. Tomson

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What are neutrons?

Back

Subatomic particles found in the nucleus with no charge.

Front

What is Dalton's Atomic Theory?

Back

A theory that states that all matter is made of atoms, which are indivisible and indestructible.

Front

What did Rutherford's gold foil experiment demonstrate?

Back

That atoms have a small, dense nucleus.

Front

What is the charge of a neutron?

Back

Neutral (no charge).