History of the Atom

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  • Created by: Rifraf101
  • Created on: 20-10-19 22:42
5th Century BC
Democritus & Leucippus discovered that everything was made out of atoms.
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1803
John Dalton discovers that all matter is made up of atoms which are indivisible.
2 of 5
1897
JJ Thompson discovers that atoms have negative electrons and creates the Plum Pudding Model
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1899
Ernest Rutherford realises that there is a nucleus and creates the Rutherford Model.
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1933
Niels Bohr realises that electrons in fixed circular orbits of different energy levels and created the Bohr Model
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Other cards in this set

Card 2

Front

John Dalton discovers that all matter is made up of atoms which are indivisible.

Back

1803

Card 3

Front

JJ Thompson discovers that atoms have negative electrons and creates the Plum Pudding Model

Back

Preview of the back of card 3

Card 4

Front

Ernest Rutherford realises that there is a nucleus and creates the Rutherford Model.

Back

Preview of the back of card 4

Card 5

Front

Niels Bohr realises that electrons in fixed circular orbits of different energy levels and created the Bohr Model

Back

Preview of the back of card 5

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