Hexquadbium (Hqb)

Hexquadbium is the systematic name of the theoretical 642-и element in the periodic table with a symbol of Hqb and atomic number of 642. Hexquadbium, also known as element 642, has шестстотин четиресет и две protons in its nucleus, and шестстотин четиресет и две electrons in its shells.