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12 Cards in this Set
- Front
- Back
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John Dalton
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hard indivisible shell, identicle, created nor destroyed (law of conservation of matter), # and kind never change in compound (the law of definite proporsion,
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JJ Thompson
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coined phrase electron, worked with ray tube, cathode end -, anode end +, plum pudding model
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John Rutherford
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gold foil experiment
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Robert A. Millikan
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electons have small mass, electons have - charge
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Bohr
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atoms have diff # of electrons, elements has PELs, ground state, exited state
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De Broglie
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electrons be considerd waves
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Heisenberg
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uncertainty priciple
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Aubaw principle
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electrons are added 1 at a time from the lower PELs to the higher
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Paul Exclusion Principle
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orbitals can only hold 2 electrons and they spin in diffrent directions
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Hunds Rule
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P,D, and F sub lvls electrons must be distriubted befor pairing
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Oxidation #
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they are the charge an atom aquires when it becomes an ion when election are shared unequaliy
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isotope
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an atom that has the same number of protons diff # of neutrons
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