Hexquadbium (Hqb)

Hexquadbium is the systematic name of the theoretical 642वाँ element in the periodic table with a symbol of Hqb and atomic number of 642. Hexquadbium, also known as element 642, has छह सौ बयालीस protons in its nucleus, and छह सौ बयालीस electrons in its shells.