Octoctseptium (Oos)

Octoctseptium is the systematic name of the theoretical 887. element in the periodic table with a symbol of Oos and atomic number of 887. Octoctseptium, also known as element 887, has otte­hundrede og syv­og­firs protons in its nucleus, and otte­hundrede og syv­og­firs electrons in its shells.