Hexseptseptium (Hss)

Hexseptseptium is the systematic name of the theoretical 677:e element in the periodic table with a symbol of Hss and atomic number of 677. Hexseptseptium, also known as element 677, has sex­hundra­sjuttio­sju protons in its nucleus, and sex­hundra­sjuttio­sju electrons in its shells.