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 ...

The Periodic Table is an amazing chemistry tool that is organized with elements in order of increasing atomic number. The properties of the element change as you move across the row, but are similar ...

Dmitri Mendeleev made order out of chaos when he introduced his periodic table in 1869 ... and inoculated it into the arm of an eight-year-old boy named James Phipps. Although Phipps suffered ...

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 ...

Then in 1869, a Russian scientist called Dmitri Mendeleev produced one of the ... The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from ...