Hexquadtrium (Hqt)

Hexquadtrium is the systematic name of the theoretical thứ 643 element in the periodic table with a symbol of Hqt and atomic number of 643. Hexquadtrium, also known as element 643, has sáu trăm bốn mươi ba protons in its nucleus, and sáu trăm bốn mươi ba electrons in its shells.