WGU (tg) Chemistry Contributors
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Greeks | First suggested the atom Elements comprised of Earth, Air, Fire, Water.
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| Dalton | Atomic Theory (mostly right) except for elements are identical (they are not).
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| Rutherford | Gold Foil Experiment Atom has positive center(nucleus)with electrons moving around the nucleus. Planetary Model of the Atom
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| Thompson | Plum pudding model Cathode Ray Experiment Determined charge to mass ratio of electon. All elements have electrons.
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| Millikan | Oil Drop experiment calculated mass of electron
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| Bohr | Planetary Model of the Atom Electrons move in circular orbits
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| de Broglie | Electron has wave properties
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| Lavoisier | Law of Conservation of Mass
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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