History of Chem

  • Joseph Priestly

    linkThe first scientist to identify oxygen.
  • Dalton's Atomic Theory

    piclinkHe thought atoms were tiny particles that cant be broken down further.
  • Humphry Davey

    Linkpicture Humphry Davey preforms the first electrolysis separation of table salt into calcium and sodium
  • Terbium

    picLinkTerbium was discovered by Carl Mosander
  • Dmitri Mendeleev

    linkHe created a periodic table of elements similar tho the one used today.
  • John Thomson

    piche described the atom as a sphere with electrons floating around it.
  • Earnest Rutherford

  • Bohr Model

    bohr model siteIt explains the atom in simple terms that are easy for others to understand.
  • Alexander Fleming

    LinkPenicillin was discovered as a medicine used to cure many illnesses.