Who Contributed to Atomic Theory
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Democritus | Started everything with his imagination, discovered that there is an infinite number of atoms and that matter is space and time
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Rutherford | Gold leaf experiment, discovered atoms have empty space and electrons
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Millikan | Discovered the mass of electron charge, sprayed oil into chamber using x rays to put charge on oil
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Marie Curie | Used chemical procedure to separate different substances, radiation came from inside atoms, atoms are divisible, radium, polinium
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Bohr | Bohr model, hydrogen element, positively charged nucleus surrounding small electrons, based on solar system
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Einstein | theoretic scientist, E=mc^2, helped make atomic bombs
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Mendeleev | made periodic table, weighed atomic masses of elements then organized them onto chart
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Thomson | Discovered atoms have electrons, used cathode ray tubes and magnetic fields
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Dalton | used atomic weights and gases, divided atomic theory into 4 parts based on others findings
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Created by:
syd324
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