Hexseptennium (Hse)

Hexseptennium is the systematic name of the theoretical 679-и element in the periodic table with a symbol of Hse and atomic number of 679. Hexseptennium, also known as element 679, has шестстотин седемдесет и девет protons in its nucleus, and шестстотин седемдесет и девет electrons in its shells.