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Democritus
major contribution was the idea of an atom, which encouraged other scientist to look into the science of an atom.
Ernest Rutherford
His contribution help developed the constant of the nucleus.
John Dalton
His contribution was that he discovered colored blindness which is referred to as Daltonism.
JJ Thomson
His contribution was that he helped others understand the general makeup of an negative electron
Electron
Negative Charge
Neutron
Neutral Charge/ No Charge
Proton
Positive Charge
Nucleus
The postively charged center of the atoms
Niels Bohr
helped future scientists with the appearance of an atom.
