Hexhexunium (Hhu)

Hexhexunium is the systematic name of the theoretical 661'инчи element in the periodic table with a symbol of Hhu and atomic number of 661. Hexhexunium, also known as element 661, has алты жүз алтымыш бир protons in its nucleus, and алты жүз алтымыш бир electrons in its shells.