Atomic Theory Flashcardiz

Front

Who discovered the nucleus from the gold foil experiment?

Back

Rutherford

Front

What subatomic particles are missing from Dalton's model?

Back

All of the subatomic particles are missing.

Front

What does the word 'atom' mean in Greek?

Back

Indivisible

Front

How can the nucleus of an atom be described?

Back

Dense and positively charged.

Front

Which subatomic particle did J.J. Thomson discover?

Back

Electron

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the main idea of Dalton's atomic theory?

Back

Matter is made up of indivisible atoms.

Front

What did Rutherford's experiment reveal about the atom?

Back

Atoms have a small, dense nucleus.