Septhexhexium (Shh)
Septhexhexium is the systematic name of the theoretical 766a element in the periodic table with a symbol of Shh and atomic number of 766. Septhexhexium, also known as element 766, has şapte sute şasezeci şi şase protons in its nucleus, and şapte sute şasezeci şi şase electrons in its shells.