More cards in this set

Card 6

Front

1918- Rutherford discovers the proton.

Back

Preview of the front of card 6

Card 7

Front

1923-26 - Wave and Particle behaviour.

Back

Preview of the front of card 7

Card 8

Front

1932- James Chadwick discovers the neutron

Back

Preview of the front of card 8

Card 9

Front

Modern day

Back

Preview of the front of card 9