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|ATOMIC MODEL by nelson27: 10:07 pm On June 15, 2018|
The word “Atom” was first used by a Greek philosopher known as DEMOCRITUS. He first named it “ATOMUS” meaning smallest particle that cannot be broken into pieces. The word “Atom” are made of 3 compartment namely:
DALTON’S ATOMIC THEORY
J.J Thompson Model
In 1910, R.A Millican measured the charge of electron in his oil drop experiment while Rutherford performed alpha particles experiment. He calculated the charge to be -1.6 X 10∆-19.
DISCOVERY OF PROTON.
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