ekamanganese

ekamanganese
the name given by to the predicted element (technetium) lying below manganese in the periodic table

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  • Dmitri Mendeleev's predicted elements — Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest.[1] When Mendeleev proposed his periodic… …   Wikipedia

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