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Dalton Model
John Dalton thought that each element was made up of atoms that are all alike. Dalton imagined atoms as tiny, solid balls. -
Thomson Model
JJ Thomson discovered the electron. He proposed a new model, it was a posatively charged sphere with electrons embeded in it. -
Rutherford Model
Ernest Rutherford concluded that the atom is mostly empty space and electrons orbit around a posatively charged nucleus. -
Bhar Model
Niels Bhar proposed a model where the electrons move in specified layers instead of randomely. -
Chadwick Model
James Chadwick discovered the existence of the neutron. -
Present Model
Electrons form a negatively charged cloud around the nucleus.