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 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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