Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical ۸۷۷. element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has هشتصد و هفتاد و هفت protons in its nucleus, and هشتصد و هفتاد و هفت electrons in its shells.