Chemistry Scientists and Contributions by Josh Holguin

By fhschemistry
  • Atomic Theory

    Atomic Theory

    Atomic theory created by Dalton with his 5 postulates
  • Discovery of Thallium

    Discovery of Thallium

    Robert Crooke discovers thallium
  • Law of Octaves

    Law of Octaves

    John Newlands creates Law of Octaves
  • Vacuum Tubes

    Vacuum Tubes

    William Crookes invents Crooke's tube (vacuum tube)
  • Periodic Table

    Periodic Table

    Mendeleev creates the first version of the periodic table of elements
  • Helium

    Helium

    Robert Crooke's discovers helium
  • Discovery of Electrons

    Discovery of Electrons

    JJ Thomson discovers electrons
  • Plum Pudding Model

    Plum Pudding Model

    JJ Thomson Creates the plum pudding model
  • Rutherford's Atomic Model

    Rutherford's Atomic Model

    Rutherford creates his atomic model
  • Bohr Model

    Bohr Model

    -Bohr
    Shows that electrons travel in circular orbits around a positively charged nucleus
  • First splitting of an atom

    First splitting of an atom

    Rutherford is the first to split an atom
  • Discovery of Protons

    Discovery of Protons

    Rutherford discovers the proton
  • Discovery of Neutron

    Discovery of Neutron

    Chadwick discovers the neutron

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