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3 Cards in this Set
- Front
- Back
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What did John Dalton first call the atom in 1803? |
Solid spheres that differ depending on the element. |
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In 1897, what was Thomson’s atomic model called and what did it consist of? |
The plum pudding model It consisted of electrons suspended in a positively charged field. |
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What was Rutherford’s gold foil experiment and what was concluded about the atom? |
Alpha particles were fired at a thin sheet of gold foil. Most alpha particles passed straight through the gold atoms, and some were deflected The conclusion was that the atom had a concentrated positive nucleus in the centre of an atom, surrounded by a cloud of electrons. The atom is mostly empty space. |
