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6 Cards in this Set
- Front
- Back
Who described atoms as old spheres and said that different spheres made up the different elements |
John Dalton |
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In what year did J.J.Thomson change the 'solid sphere' theory to the 'Plum Pudding Model'? |
1897 |
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Describe the 'Plum Pudding Model' |
Large positive sphere with smaller negatively charged particles inside. |
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Who showed the 'Plum Pudding Model' was wrong? |
Ernest Rutherford |
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What did Rutherford 'fire' at the extremely thin sheet of gold? |
Some particles were deflected but most went straight through |
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Did Rutherford come up with the nuclear model? |
Yes |