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 fënnef­honnert­siwenansiwwenzeg protons in its nucleus, and fënnef­honnert­siwenansiwwenzeg electrons in its shells.