Hexquadpentium (Hqp)

Hexquadpentium is the systematic name of the theoretical 645e element in the periodic table with a symbol of Hqp and atomic number of 645. Hexquadpentium, also known as element 645, has zes­honderd­vijf­en­veertig protons in its nucleus, and zes­honderd­vijf­en­veertig electrons in its shells.