Sam Tionloc

By fhschemistry

  • Atomic Theory

    Atomic Theory
    Dalton's 5 postulates.

  • THALLIUM

    William Crooke.

  • Law of Octaves

    Law of Octaves
    John Newlands.

  • Invention of the Crookes Tube (vacuum tubes)

    Invention of the Crookes Tube (vacuum tubes)

  • Mendeleev's Periodic Table of Elements

    Mendeleev's Periodic Table of Elements
    Creator of the first version of the periodic table of elements.

  • HELIUM

    HELIUM
    Robert Crooke.

  • discovery of ELECTRON

    discovery of ELECTRON
    JJ Thomson.

  • Plum Pudding Model

    Plum Pudding Model
    JJ Thomson. Composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges, like negatively-charged “plums" surrounded by positively-charged "pudding".

  • Rutherford's Atomic Model

    Rutherford's Atomic Model
    New features of a relatively high central charge concentrated into a very small volume in comparison to the rest of the atom and containing the bulk of the atomic mass(the nucleus of the atom).

  • Bohr Model

    Bohr Model
    Depicts the atom as a small, positively charged nucleus surrounded electrons that travel in circular orbits around the nucleus.

  • 1st splitting of an atom

    1st splitting of an atom
    Rutherford.

  • discovery of PROTON

    discovery of PROTON
    Rutherford.

  • discovery of NEUTRON

    discovery of NEUTRON
    Chadwick.