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4 Cards in this Set
- Front
- Back
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What was democritus theory |
He said that all matter was made out of identical lumps called 'atomos' |
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John dalton |
1804 he agreed with democratis but said that each element was made up of a different type of atom |
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Jj Thomson |
Plum pudding model |
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Ernest Rutherford nuclear model |
1909 alpha scattering experiment they discovered because a few alpha particle were deflected most of the mass of the atom must be concentrated in the nucleus |
