Hexennoctium (Heo)
Hexennoctium is the systematic name of the theoretical 698. element in the periodic table with a symbol of Heo and atomic number of 698. Hexennoctium, also known as element 698, has அறுநூறு தொண்ணூறு எட்டு protons in its nucleus, and அறுநூறு தொண்ணூறு எட்டு electrons in its shells.