Atomic Theory Scientists

Elements are made of tiny solid particles

• Bohr

• Democritus

• Thomson

• Aristole

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All matter is made of atoms

• Rutherford

• Bohr

• Democritus

• Dalton

Most mass in an atom is in the nucleus

• Rutherford

• Thomson

• Bohr

• Dalton

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Positively charged atoms with electrons. "Plum pudding"

• Democritus

• Bohr

• Thomson

• Dalton

electrons travel in fixed orbits

• Dalton

• Bohr

• Thomson

• Rutherford

All atoms go with their appropiate element

• Rutherford

• Heisenberg

• Shrodinger

• Dalton

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Electrons could go between the orbits while releasing specific amounts of energy

• Bohr

• Democritus

• Aristole

• Thomson

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Small dense nucleus in atom that is surrounded by electrons

• Heisenberg

• Shrodinger

• Thomson

• Rutherford

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"Atomos" atoms always move

• Bohr

• Democritus

• Julius Cesar

• Heisenberg

In chemical reactions, atoms are separated, combined, or rearranged.

• Rutherford

• Thomson

• Dalton

• Democritus

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