Hexhexunium (Hhu)

Hexhexunium is the systematic name of the theoretical 661. element in the periodic table with a symbol of Hhu and atomic number of 661. Hexhexunium, also known as element 661, has அறுநூறு அறுபது ஒன்று protons in its nucleus, and அறுநூறு அறுபது ஒன்று electrons in its shells.