Hexocthexium (Hoh)
Hexocthexium is the systematic name of the theoretical 686. element in the periodic table with a symbol of Hoh and atomic number of 686. Hexocthexium, also known as element 686, has அறுநூறு எண்பது ஆறு protons in its nucleus, and அறுநூறு எண்பது ஆறு electrons in its shells.