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Atomic theory
devlopment of the atomic theory
Term | Definition |
---|---|
Democritis Greek phlosopher | 1.named atoms 2.indivisible |
Thompson, Joseph 1904 | 1.discovered electron his model "plum-Pudding" |
Rutherford, Ernest 1911 | 1.discoverd nuclues 2.gold foil experiment 3.the atom is mostly empty |
Mordern model | current model eletrons occur found frequently |
Rutherford, Ernest 1911 | Discovered nuclus gold foil experiment atom is more empty space |