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