Structure of the Atom By m.l.2015 Period: Jan 1, 1770 to Jan 1, 1932 Structure of the Atom Jan 1, 1777 Antoine Lavoisier established sulfur as an element Jan 1, 1803 John Dalton proposes the Atomic Theory Jan 1, 1897 J.J, Thomson discovers and identifies the electron Jan 1, 1910 Earnest Rutherford conceives the concept of the nucleus Earnest Rutherford performs experiments involving scattering alpha rays and he conceives the concept of the nucleus Jan 1, 1922 Niels Bohr recieves the Nobel Prize for his work on the structure of the atom Jan 1, 1926 Erwin Schrodinger formulates an equation that accurately gave the energy levels of atoms Jan 1, 1932 James Chadwick proves the existence of neutrons He also paved the way for uranium 235 and the atomic bomb
