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6 Cards in this Set
- Front
- Back
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Relationship between matter and electrical charge
Sir William Crookes |
Cathode ray tube- cathode + anode; television; stream of negatively charged particals electron
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JJ Thomason 1890s
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Determined charge to mass ratio of electron, much less that H atom- plum pudding
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Robter Milliken 1909
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determined charge on electrons within 1% present value
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The nuclear atom
Rutherford 1911 |
gold foil experiment, found deflections close to dense, central nucleus
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Protons and Nuetrons
Rutherford 1920 |
refined ideal of nucleus- proton
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James Chadwick 1932
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identified neutron
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