Octoctseptium (Oos)

Octoctseptium is the systematic name of the theoretical thứ 887 element in the periodic table with a symbol of Oos and atomic number of 887. Octoctseptium, also known as element 887, has tám trăm tám mươi bảy protons in its nucleus, and tám trăm tám mươi bảy electrons in its shells.