Ennennilium (Een)

Ennennilium is the systematic name of the theoretical 990. element in the periodic table with a symbol of Een and atomic number of 990. Ennennilium, also known as element 990, has ცხრაას­ოთხმოცდა­ათი protons in its nucleus, and ცხრაას­ოთხმოცდა­ათი electrons in its shells.