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JJ Thompson cathode ray tube
Thompson discovers electron and its negative charge -
Ernest Rutherford gold foil experiment
Ernest Rutherford disproved the plum pudding model which said that mass and positive charge of the atom are almost uniformly distributed. -
louie broglie 1924
He suggests that electons have wavelike properties. -
Erwin Schodinger
He states his nonrelativistic quantum wave equation and forms quantative wave mechanics. -
Heisenberg and bohr uncertainty principle
In 1927 in copenhagen Neils bohr and Werner heisenberg find out the uncertainty principle.