Unoctseptium (Uos)

Unoctseptium is the systematic name of the theoretical ۱۸۷. element in the periodic table with a symbol of Uos and atomic number of 187. Unoctseptium, also known as element 187, has صد و هشتاد و هفت protons in its nucleus, and صد و هشتاد و هفت electrons in its shells.