On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table.

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 ...

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

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In response, companies of all sizes and in multiple industries have adopted standards of sustainability and social responsibility — embracing what’s known as the “triple bottom line.” We’ll explain ...

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Mr Emmerson Mnangagwa’s administration has essentially acknowledged that the current ZiG notes have lost both their value and quality. In a statement made over the weekend, Reserve Bank of ...

In a surprising and controversial statement, Zanu PF official Killer Zivhu has vowed to walk naked if Zimbabwe’s ZiG currency ever regains its value. Zivhu’s statement on Friday sparked mixed ...