Octseptennium (Ose)

Octseptennium is the systematic name of the theoretical 879. element in the periodic table with a symbol of Ose and atomic number of 879. Octseptennium, also known as element 879, has osem­sto sedemdesiat­deväť protons in its nucleus, and osem­sto sedemdesiat­deväť electrons in its shells.