Septpentseptium (Sps)

Septpentseptium is the systematic name of the theoretical 757:e element in the periodic table with a symbol of Sps and atomic number of 757. Septpentseptium, also known as element 757, has sju­hundra­femtio­sju protons in its nucleus, and sju­hundra­femtio­sju electrons in its shells.