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AP Chem: Important People Flashcards

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14976210319J.J ThompsonCathode Ray Tube. Discovered the charge of electrons0
14976209404MillikanOil drop experiment-Determined the charge1
14976209405RutherfordGold foil experiment-Discovered the Nucleus2
14976209406MosleyUsed x-rays to determine atomic number3
14976209407Bequeral/CurieDiscovered Radioactivity4
14976209408ChadwickDiscovered the neutron5
14976209409PlanckQuantum Theory-Photons have discrete energies6
14976209410BohrElectron has orbitals7
14976209411Schrodingerfather of quantum mechanics and wave function8
14976209412EinsteinE=mc^29
14976209413Heisenberguncertainty principle-cant know both position and momentum for a particle10
14976209414BalmerSpectroscope/Spectral Line11
14976209415MendeleevCreated the first periodic table. Arranged elements by increasing atomic mass12
14976210320RydbergAll wavelengths are related to13
14976209416FaradayCurrent Causes/Caused by reaction (1820's)14
14976209417Dalton's Atomic Theory1) elements are composed of atoms. 2) atoms of same element are identical, but differ from other elements. 3) elements can mix together15
14976209418PauliExclusion Principle - two electrons can never occupy the same space, or quantum numbers16
14976210321DeBroglieAll matter has wave properties17
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