Hexhexunium (Hhu)

Hexhexunium is the systematic name of the theoretical 661-и element in the periodic table with a symbol of Hhu and atomic number of 661. Hexhexunium, also known as element 661, has шестстотин шейсет и едно protons in its nucleus, and шестстотин шейсет и едно electrons in its shells.