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Chemistry
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Chemistry
The Development of the Atomic Model (2)
Chemistry
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The Development of the Atomic Model (2)
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Scientist who discovered protons
Ernest Rutherford
Scientist who discovered electrons
J.J. Thomson
Scientist who discovered neutrons
James Chadwick
The subatomic particles found in an atom
Is made up of protons, neutrons and electrons
Symbol of electron
e
Symbol of proton
p
Symbol of neutron
n
Studies on atoms
Started since the introduction of atomic theory by Democritus, a Greek philosopher, around 500 B.C.
John Dalton
J.J. Thomson
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