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