Hexquadtrium (Hqt)

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