Miguel Hernandez

By fhschemistry

  • Dalton's Theory

    Dalton believes that mass is based on atoms.

  • Discovery of Thallium

    Crookes uses Crookes' Tube to discover the element Thallium.

  • Law of Octaves

  • First Periodic Table

    Mendeleev creates the first periodic table and determines other elements not yet discovered.

  • Helium discovered

  • Plum Pudding Model

  • Discovery of the Electron

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  • Discovery of the Proton

    Rutherford discovers a positive force inside the nucleus of the atom which is no known as a proton.

  • Rutherford's Model

  • Bohr's Model

  • First splitting of an atom

  • Discovery of the Neutron

    Chadwick investigates why protons and electrons weren't taking up a strange amount of mass and leads to the discovery of the neutron.