Hexquadbium (Hqb)
Hexquadbium is the systematic name of the theoretical ที่ 642 element in the periodic table with a symbol of Hqb and atomic number of 642. Hexquadbium, also known as element 642, has หกร้อยสี่สิบสอง protons in its nucleus, and หกร้อยสี่สิบสอง electrons in its shells.