Septhextrium (Sht)

Septhextrium is the systematic name of the theoretical 763e element in the periodic table with a symbol of Sht and atomic number of 763. Septhextrium, also known as element 763, has zeven­honderd­drie­ën­zestig protons in its nucleus, and zeven­honderd­drie­ën­zestig electrons in its shells.