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observations of cathode ray experiment |
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ray bends in magnetic field ray bends toward psoitive plate in electric field ray is identical for any cathode |
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conclusion of cathode ray experiment |
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ray consists of charged particles ray consists of negative particles these particles are found in ALL matter |
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Who did the oil-drop experiment |
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What did the oil drop experiment test |
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electrons charge, was able to figure out the mass of electrons from help of Thompson |
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counter charge to make an atom neutral |
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Rutherfords experiment to back up the plumb pudding model Ends up figuring out that atoms have a nucleus |
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what was the x-scattering experiment |
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shooting alpha particles at gold foil, in which the rays would bounce off the nucleus |
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who discovered the proton |
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who discovered the neutron |
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what weighs more protons neutrons or electrons |
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protons and nuetrons weigh more and are the same weight |
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atoms of an element with the same number of protons, but a different number of neutrons |
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Isotopes have the same atomic number but..... |
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a negatively charged atom |
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