Periodic Table Timeline

By richardeadie

  • Sir Francis Bacon made desscription of scientific method.

    Sir Francis Bacon published "The Proficience and Advancement of Learning" which contained a description of what would later be known as the scientific method.

  • Joseph Black isolated carbon dioxide

    Joseph Black isolated carbon dioxide, which he called "fixed air"

  • Henry Cavendish discovered hydrogen

    Henry Cavendish discovered hydrogen as a colorless, odourless gas that burns and can form an explosive mixture with air

  • Antoine Lavoisier wrote the first extensive list of elements

    Antoine Lavoisier wrote the first extensive list of elements containing 33 elements & distinguished between metals and non-metals

  • Jakob Berzelius developed a table of atomic weights

    Jakob Berzelius developed a table of atomic weights & introduced letters to symbolize elements

  • John Newlands arranged the known elements in order of atomic weights

    John Newlands arranged the known elements in order of atomic weights & observed similarities between some elements

  • William Ramsay discovered the Noble Gases.

    William Ramsay discovered the Noble Gases.

  • Henry Moseley determined the atomic number of each of the elements

    Henry Moseley determined the atomic number of each of the elements and modified the 'Periodic Law'.