The periodic table’s arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius. Many scientists worked on the ...

This year we celebrate the 150 th anniversary of Mendeleev’s achievement in formulating the structure of the periodic table that we use today. He announced his structure in 1869, but the challenge of ...

Mendeleev also sent copies of the table bearing this date to his colleagues in Russia and abroad. Four days later, he formulated the periodic law in an article entitled The Dependence Between the ...

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 ...

Copper has been used by humans for as much as 7000 years and elements such as gold ... scientist called Dmitri Mendeleev produced one of the first practical periodic tables.