Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical 877. element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has nyolc­száz­hetven­hét protons in its nucleus, and nyolc­száz­hetven­hét electrons in its shells.