Developing the model of the atom

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  • Created by: A128456
  • Created on: 13-04-21 14:32
Who was the first person to think about the model of an atom?
Democritus
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Democritus said that "all matter was made up of..?
identical lumps
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What was J.J Thompson's model?
The plum pudding model
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In the alpha scattering experiment they observed that a few alpha particles were deflected back what did this show?
Most of the mass was concentrated in the Centre in a tiny nucleus
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James Chadwick discovered what particle ?
Neutrons
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Why do atoms have no overall charge?
Protons and electrons have an equal but opposite charge
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Card 2

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Democritus said that "all matter was made up of..?

Back

identical lumps

Card 3

Front

What was J.J Thompson's model?

Back

Preview of the front of card 3

Card 4

Front

In the alpha scattering experiment they observed that a few alpha particles were deflected back what did this show?

Back

Preview of the front of card 4

Card 5

Front

James Chadwick discovered what particle ?

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