History of Atomic Structure
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Last updated 8:56 AM on 5/21/25
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6 Terms
1
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who was the first person to create the idea of the atom
Democrates -atomas meaning indivisible
2
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Who came up with the solid sphere model?
John Dalton in 1803. atoms are indivisible spheres
3
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who came up with and what is the plum pudding model?
electrons are embedded in a positive sphere. JJ Thompson in 1904
4
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who came up with the nuclear model?
Rutherford in 1909 said atoms have a dense nucleus, mostly empty space. gold foil experiment
5
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who discovered electrons are in shells?
Bohr in 1913
6
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who discovered neutrons?
Chadwick in 1932
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