Chemistry Timeline Project

By rgillis08$
  • Period: 460 BCE to 370 BCE

    Democritus

    Atoms and the void as the fundamental constituents of the physical world.
  • Period: 1300 to

    End of the Ottoman Empire

    replaced by the Turkish Republic and various successor states in southeastern Europe and the Middle East

  • Dalton ‘s Atomic Theory and Atomic Model

    All matter is composed of extremely small particles called atoms.

  • Volta’s invention of the battery

    "voltaic pile" operated by placing pieces of cloth soaked in salt water between pairs of zinc and copper discs

  • Darwin’s “On the Origin of Species” published

    Origin of Species sold out immediately. Most scientists quickly embraced the theory that solved so many puzzles of biological science

  • Assassination of Abraham Lincoln

    John Wilkes Booth held that belief, and it was the motive behind his plot to murder President Abraham Lincoln

  • Mendeleev’s Periodic Table

    Dmitri Ivanovich Mendeleev was a Russian chemist and inventor. He is best known for formulating the Periodic Law and creating a version of the periodic table of elements.

  • Thomas Edison’s invention of the phonograph

    a device that recorded sound onto tinfoil cylinders.

  • Thomas Edison’s invention of the light bulb

    It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting

  • Naismith’s invention of basketball

    sports coach, best known as the inventor of the game of basketball.

  • Thompson’s CRT, Discovery of Electrons, and Atomic Model

    all atoms contain tiny negatively charged subatomic particles or electrons.

  • Einstein’s Theory of Relativity

    the laws of physics are the same for all non-accelerating observers

  • Rutherford’s Gold Foil Experiment and Atomic Model

    Rutherford proposed the nuclear model of the atom

  • Sinking of the Titanic

    The Titanic sank because of an iceberg

  • Moseley’s Periodic Table

    arranged the elements in the periodic table according to atomic numbers

  • Bohr’s Atomic Model

    electrons (negatively charged) revolve around the positively charged nucleus in a definite circular path called orbits or shells

  • Discovery of Protons

    The discovery of the proton is credited to Ernest Rutherford, who proved that the nucleus of the hydrogen atom

  • Women gained the right to vote

    The 19th Amendment makes it illegal to deny the right to vote to any citizen based on their sex, which effectively granted women the right to vote

  • Electron Cloud Model Introduced

    In atomic theory and quantum mechanics, an atomic orbital is a function describing the location and wave-like behavior of an electron in an atom.

  • Discovery of Neutron

    The British physicist Sir James Chadwick discovered neutrons