Octoctseptium (Oos)

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