darliner6796 darliner6796

03-11-2017
Chemistry

contestada

Name a transition element in the fifth period (row) of the periodic table with seven valence electrons.

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mylifeizamess62 mylifeizamess62

03-11-2017

The element named TECHNATIUM

Symbol is Tc

98.9063 g/mol

Discovery year 1937

Founders are
Emilio Geno Segre
Carlo Pierrier

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