Biseptnilium (Bsn)

Biseptnilium is the systematic name of the theoretical thứ 270 element in the periodic table with a symbol of Bsn and atomic number of 270. Biseptnilium, also known as element 270, has hai trăm bảy mươi protons in its nucleus, and hai trăm bảy mươi electrons in its shells.