Penthexseptium (Phs)

Penthexseptium is the systematic name of the theoretical 567:e element in the periodic table with a symbol of Phs and atomic number of 567. Penthexseptium, also known as element 567, has fem­hundra­sextio­sju protons in its nucleus, and fem­hundra­sextio­sju electrons in its shells.