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Atomic Theory Contri

QuestionAnswer
Revised the periodic table according to the atomic number Mosely
Discovered isotopes Aston
Said all matter was composed of atoms Dalton
Said the mass of one element was different than the mass of another element Dalton
In 1911 suggested that protons were located in the nucleus and electrons were located outside the nucleus Rutherford
Plum pudding concept atoms Thomson
Said that an atom of one element was identical to an atom of the same element Dalton
While using glass vacuum tubes, he helped lead to the discovery of electrons Crookes
Discovered the neutron Chadwick
In 1913 discovered that electrons were held to the nucleus by an attractive electrical force Bohr
He said the atoms were mostly empty space Bohr
Best science teacher of all time Fabian
Created by: dmalk
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