Pentseptseptium (Pss)

Pentseptseptium is the systematic name of the theoretical 577e element in the periodic table with a symbol of Pss and atomic number of 577. Pentseptseptium, also known as element 577, has cinq cent soixante-dix-sept protons in its nucleus, and cinq cent soixante-dix-sept electrons in its shells.