Atomic Model

By corriganae2
  • 500 BCE

    Alchemists

    Alchemists
    Made a theory that metals are made of sulfur and mercury, it is possible to change base metals into gold.
  • 427 BCE

    Plato

    Plato
    Atoms can break down into mathematical triangles.
  • 400 BCE

    Democritus

    Democritus
    Everything is composed of atoms and are not physically visible.
  • 322 BCE

    Aristotle

    Aristotle
    All matter is made of indivisible particles called atoms and formalized knowledge.
  • 1543

    Solar system model

    Solar system model

  • Robert Boyle

    Robert Boyle
    Found out that any substance that is broken into two or more substances is not an element.

  • Lavoisier

    Lavoisier
    He found out that the total mass of products and reactants in a chemical reactions is always the same.

  • John Dalton

    John Dalton
    Composed that all matter is comped of atoms (building blocks).

  • Solid sphere of "billiard ball" model

    Solid sphere of "billiard ball" model

  • Dmitri Mendeleev

    Dmitri Mendeleev
    Putting the atomic weights in order and creating the periodic table.

  • Robert Millikan

    Robert Millikan
    Determined the electros charge.

  • J.J. Thomson

    J.J. Thomson
    Discovered the electron and make it a big thing.

  • The Curies

    The Curies
    Rays can be penetrated by certain atoms

  • "Plum Pudding" model

    "Plum Pudding" model

  • Albert Einstein

    Albert Einstein
    He proved the existence of atoms.

  • Ernest Rutherford

    Ernest Rutherford
    The atom is mostly empty space.

  • Neils Bohr

    Neils Bohr
    Hydrogen atoms only transfer certain well defined qualities.

  • Henry G.J. Mosley

    Henry G.J. Mosley
    He found unknown elements.

  • Electron cloud model

    Electron cloud model

  • Werner Heisenberg

    Werner Heisenberg
    He discovery the uncertainty principle.