Septquadseptium (Sqs)

Septquadseptium is the systematic name of the theoretical 747:e element in the periodic table with a symbol of Sqs and atomic number of 747. Septquadseptium, also known as element 747, has sju­hundra­fyrtio­sju protons in its nucleus, and sju­hundra­fyrtio­sju electrons in its shells.