Unoctseptium (Uos)

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