Great Discoveries of Chemistry Timeline

By Malachi Roldan

  • oxygen

    discovered by Joseph Priestly

  • Atomic Theory

    Discovered by John Dalton

  • electricity

    Humphry Davy melted pot ash and ran wires from his biggest battery to form pure potassium.

  • Molecules

    Discovered by Joseph Louis Gay-Lussac

  • Synthesis of urea

    discovered by Friedrich Wohler

  • Atoms have signatures of light

    discovered by Robert Bunsen

  • Chemical structure

    Discovered by Friedrich August Kekule

  • Periodic Table of elements

    Dimitri mendeleev

  • Radioactivity

    Henri Bequerel

  • Electrons

    Joseph Thompson

  • Plastic

    Leo Baekeland

  • Chemical Bonds

    Gilbert Lewis

  • Fullerness

    Richard Smalley