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 վեց­հարյուր վաթսուն­մեկ protons in its nucleus, and վեց­հարյուր վաթսուն­մեկ electrons in its shells.