The records show that Mendeleev discovered the periodic system on 17 February 1869 ... announcement on his behalf – on 6 March at a meeting of the Russian Chemical Society. Mendeleev’s table listed ...

Russian scientists will hold the first experiments at the Super-Heavy Element Factory in Dubna near Moscow in April to synthesize the 114th and 115th elements of Mendeleev’s Periodic Table ...

The periodic table of elements is a landmark categorization developed in 1869 by the Russian chemist and inventor Dmitri ...

Mrs Roberts: At its simplest, the periodic table is all the different elements arranged together in a chart. A Russian scientist called Dmitri Mendeleev produced one of the first practical ...

Mrs Roberts: At its simplest, the periodic table is all the different elements arranged together in a chart. A Russian scientist called Dmitri Mendeleev produced one of the first practical ...