Septennoctium (Seo)

Septennoctium is the systematic name of the theoretical thứ 798 element in the periodic table with a symbol of Seo and atomic number of 798. Septennoctium, also known as element 798, has bảy trăm chín mươi tám protons in its nucleus, and bảy trăm chín mươi tám electrons in its shells.