Thursday 7 February 2013

Dmitri Ivanovich Mendeleev (Russian:)

 periodic table,Dmitri medeleev

  •  born in 8 February 1834 – 2 February 1907 .
  • He  was a Russian chemist and inventor.
  •  He created the first version of the periodic table of elements, and used it to predict the properties of elements yet to be discovered.
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