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 пятьсот шестьдесят protons in its nucleus, and пятьсот шестьдесят electrons in its shells.