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 átta­hundrað­og­sjeyti­níggju protons in its nucleus, and átta­hundrað­og­sjeyti­níggju electrons in its shells.