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101
Greeks
They thought matter made up tiny particles. -
John Dalton
John Dalton was borned. -
William Crookes
Crooke made the CRT and he tested it with a magnet and the light moved up and down when he putted a magnet. -
Rutherford Death
Rutherford had died. -
Rutherford
Most of the mass is in dense, positive nucleus. Rutherford thought that positive nucleus surrounded by negative orbiting electrons. -
Bohr
His atomic model had atoms built up of orbital shells of electrons and negatively charged electrons occupy the space around the nucleus. -
Werner Heisenberg
He came up with the clouds and it was famous principle of uncertainly. -
J.J Thompson
Studied the canal rays and used CRT to determine the charge to mass ratio.
