year 9 assinement

  • Phosphorus is discoved

    Phosphorus was discoverd by H. Brand. It is the first element to be chemicaly discoverd. H. Brand discoverd it in his own urine.
  • Henry Cavendish is born

    Henry Cavendish is born

    He was born in France
  • Bismuth being a identified

    Bismuth was identified by C.F. Geoffroy. It was discribled by Basilius Valentinus in 1450, but not identified.
  • John Dalton

    John Dalton

    John Dalton was born in Eaglesfield, Cumberland, England.
  • John Dalton

    John Dalton

    John Dalton works out the weight of many elements that had not yet been discoverd, helping the world of science for many years to come.
  • Dmitri Ivanovich Mendeleev

    Dmitri Ivanovich Mendeleev was born in Verkhnie Aremzyani, Russian Empire.
  • Dmitri Mendeleev making the current Periodic Table

    Dmitri Mendeleev making the current Periodic Table

    Dmitri Mendeleev spent much time working on the Periodic Table.
  • Henry Gwyn Jeffreys Moseley

    Henry Gwyn Jeffreys Moseley

    He was born in Weymouth, Dorset, United Kingdom.
  • William Ramsay discovered the Noble Gases!

    William Ramsay discovered the Noble Gases!

    William Ramsay discovered the Noble Gases in 1894.
  • Glenn Theodore Seaborg

    Glenn Theodore Seaborg

    Ishpeming, Michigan, USA
  • Improving the table

    Improving the table

    Henry Moseley worked-out the atomic number of each element. He also changed the 'Periodic Law'.
  • Glenn Seaborg the synthesised

    Glenn Seaborg the synthesised

    Glenn Seaborg synthesised, the elements after uranium.