Pentseptseptium (Pss)

Pentseptseptium is the systematic name of the theoretical 577. element in the periodic table with a symbol of Pss and atomic number of 577. Pentseptseptium, also known as element 577, has пятьсот семьдесят семь protons in its nucleus, and пятьсот семьдесят семь electrons in its shells.