Hexsepttrium (Hst)

Hexsepttrium is the systematic name of the theoretical 673-ші element in the periodic table with a symbol of Hst and atomic number of 673. Hexsepttrium, also known as element 673, has алты жүз жетпіс үш protons in its nucleus, and алты жүз жетпіс үш electrons in its shells.