Ennseptseptium (Ess)

Ennseptseptium is the systematic name of the theoretical 977:e element in the periodic table with a symbol of Ess and atomic number of 977. Ennseptseptium, also known as element 977, has nio­hundra­sjuttio­sju protons in its nucleus, and nio­hundra­sjuttio­sju electrons in its shells.