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Dalton Model
John Dalton pictures atoms as tiny, indestructible particles, with no internal structure. -
Thomson Model
J.J. Thomson, a British scientist discovers the electron. -
Hantro Nagoka
Hantro, a Japanese physicist, suggests that an atom has a central nucleus. Electrons move in orbits like the rings around the sun. -
Rutherford Model
New Zealand physicist Ernest Rutherford finds that an atom has a small, dense, positively charged nucleus. Electrons move around the nucleus.