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Dalton model
John Dalton pictures atoms as tiny, indestructible particles with no internal structure -
Thomas model
J.J. Thomson discovers the electron. He pictures electrons embedded in a sphere of positive electrical charge. -
Hantero Nagaoka
Hantero Nagaoka suggest an atom has a central nucleus and electrons move in orbits. -
Ernest Rutherford
Atom has a small, dense, positively charged nucleus. Electrons move around the nucleus.