Septquadnilium (Sqn)

Septquadnilium is the systematic name of the theoretical thứ 740 element in the periodic table with a symbol of Sqn and atomic number of 740. Septquadnilium, also known as element 740, has bảy trăm bốn mươi protons in its nucleus, and bảy trăm bốn mươi electrons in its shells.