Ian's History of the Atom By thundersn0w94 Jan 1, 1803 Dalton suggest Atomic Theory circular, measurable, solid atoms Jan 1, 1869 Dmitri Mendeleev introduces Pireodic table and the Periodic Law Jan 1, 1873 James Clerk Maxwell suggests both electric and magnetic feilds surround the atom Jan 1, 1895 Wilhelm Roentgen discovers X-rays Apr 30, 1897 J.J. Thomson discovers the electron Jan 1, 1898 J.J. Thomson creates "plum pudding " model of the atom Jan 1, 1903 Nagaoka makes "Saturnian" of the atom Jan 1, 1905 Albert Einstein introduces the forever famous equation E=mc 2 Jan 1, 1911 Ernest Rutherford discovers properties of the nucleus and suggests that electrons are located outside the nucleus Jan 1, 1919 Aston descovers isotopes Jan 1, 1922 Bohr changes the placement of the electron Jan 1, 1929 Cockcroft and Walton build first partical accelerator Jan 1, 1932 James Chadwick discovers proves the existance of the neutron exact date unkown Jan 1, 1942 Enrico Fermi conducts first controlled splitting of the atom
