Pentseptseptium (Pss)

Pentseptseptium is the systematic name of the theoretical 577-и element in the periodic table with a symbol of Pss and atomic number of 577. Pentseptseptium, also known as element 577, has петстотин седемдесет и седем protons in its nucleus, and петстотин седемдесет и седем electrons in its shells.