Penthexnilium (Phn)

Penthexnilium is the systematic name of the theoretical 560. element in the periodic table with a symbol of Phn and atomic number of 560. Penthexnilium, also known as element 560, has πεντακόσια εξήντα protons in its nucleus, and πεντακόσια εξήντα electrons in its shells.