Quiz Wiz

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.