Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical thứ 877 element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has tám trăm bảy mươi bảy protons in its nucleus, and tám trăm bảy mươi bảy electrons in its shells.