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13 Cards in this Set
- Front
- Back
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Quantum
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amount of energy needed to move electron to higher energy
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Atomic #
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# of protrons
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Atomic mass
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total # of protrons and neutrons
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Subatomic Particle
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stuff in an atom
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Ion
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atom thats gained or lost electrons
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Erwin Schrodinger
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Developed quantum mechanical model
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Ernest Rutherford
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determined mass of the atom was in the nucleus
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John Dalton
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formed first formal atomic theory
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j.j. thomson
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plum-pudding model of an atom
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Cathode Ray Tube
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experiment that found there were charged particles in atom
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Gold Foil exp.
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assisted in finding dense center of an atom
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Dmitri Mendeleev
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made 1st peroidic table of elements
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Henry Moseley
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put table in order of atomic #
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