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Questioned Basic Principles and Origins of Matter
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Named Atom from word Atomos
Developed first Atomic Theory -
Rejected Atom
Developed fire water earth air model -
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Proved atomic theory and atomic pressure with Atomic theory experiment
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Discovered Radioactivity Did Uranium Experiment
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Discovered the Electron and developed the Plum Pudding Model Did Cathode Ray Experiment
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Found charge of individual electrons. Did Oil Drip Experiment
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Discovered Protons and Nucleus
Did Gold Foil Experiment -
Developed hydrogen model
Made electron Theory -
Did Mass Spectograph Experiment
Made whole # rule
Discovered isotopes -
Used math equations to locate electrons
Discovered Electron Cloud
Made Quantum Mechanical Model -
Discovered Neutron
