On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols ... scandium and germanium – that had not then been discovered. So convinced was he of the soundness of his ...

three of these elements were discovered in his lifetime which led to the table being widely acknowledged in the scientific community. The table has been changed numerous times since, the seventh row ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

Ever since physicist Ernest Rutherford discovered the atomic nucleus in 1911, studying its structure and behavior has ...

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Dmitri Mishin was previously married to Tatyana Lyutaeva.