Octhexhexium (Ohh)
Octhexhexium is the systematic name of the theoretical 866वाँ element in the periodic table with a symbol of Ohh and atomic number of 866. Octhexhexium, also known as element 866, has आठ सौ छियासठ protons in its nucleus, and आठ सौ छियासठ electrons in its shells.