Periodic Table

By Archduke Kell
  • 320

    Plato coins "Element."

    Plato first uses the word element.
  • 330

    Aristotle proposes the Element.

    Aristotle proposes the Element.
    He proposes that all things are made of four elements. Air, Water Fire and Earth.
  • 440

    Democritus and Lecuppus propose atom.

    Democritus and Lecuppus propose atom.
    They propose the ideas that matter has a state where it cannot be broken down any more.

  • Skeptical Chemist

    Skeptical Chemist
    Boyle writes a book that includes the foundation of what would be known as molecules and other chemistry ideas.

  • The First List

    The First List
    Antoine Lavoisier composes the first comprehensive list of elements.

  • Weights and Letters

    Weights and Letters
    Jakob Berzeious develops the weight and letter system we use today

  • Groups

    Groups
    Dobreneir made groups.

  • The first draft

    Newlands develops the first "Table" by weight.

  • Almost right.

    Almost right.
    Lothar Meyer develops a table, similar to Mendeleev's, but without the power to predict elements and their abilities.

  • The Periodic Table.

    The Periodic Table.
    Mendeleev creates the final "Periodic Table."