Chemistry Dead Dudes

By aaron.boyd
  • Thales 620 BC
    Oct 4, 1001

    Thales 620 BC

    Thought everything was made from something, began curiousity
  • Democritus 440 BC
    Oct 4, 1002

    Democritus 440 BC

    Came up with the "atom"
  • Aristotle 384-322 BC
    Oct 4, 1003

    Aristotle 384-322 BC

    Didnt believe in atomic theory
  • Newton 1704

    Newton 1704

    Thought the same as Democitus
  • Dalton

    Dalton

    Came up with Atomic Theory
  • Becquerel

    Becquerel

    Discovered radioactivity
  • Thompson

    Thompson

    Discovered Electrons
  • Ernest Rutherford

    Ernest Rutherford

    Atoms contain a nucleus made of protons
  • Bohr

    Bohr

    Shows electrons in atoms are different energy
  • Robert Millikan

    Robert Millikan

    Determined charge and mass of electron
  • Francis Aston

    Francis Aston

    Discovered isotopes
  • Schrodinger

    Schrodinger

    Quantom model
  • James Chadwick

    James Chadwick

    Discovered evidence that neutrons exist