Octunseptium (Ous)

Octunseptium is the systematic name of the theoretical 817. element in the periodic table with a symbol of Ous and atomic number of 817. Octunseptium, also known as element 817, has οκτακόσια δεκα­επτά protons in its nucleus, and οκτακόσια δεκα­επτά electrons in its shells.