Unoctseptium (Uos)

Unoctseptium is the systematic name of the theoretical ١٨٧. element in the periodic table with a symbol of Uos and atomic number of 187. Unoctseptium, also known as element 187, has مائة وسبعة وثمانون protons in its nucleus, and مائة وسبعة وثمانون electrons in its shells.