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    • Black and white photo of scientist William Ramsay in his lab.
    Rights: Public domain - worldwide Published 17 September 2009 Size: 30 KB Referencing Hub media

    In the period 1894–98, William Ramsay discovered argon, helium, neon, krypton and xenon. He was awarded the Nobel Prize in 1904.

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      Development of the periodic table

      Although elements such as gold, silver, tin, copper, lead and mercury have been known since earliest times, the first scientific discovery of an element occurred around 1669. Hennig Brand, a ...

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