Pentseptoctium (Pso)

Pentseptoctium is the systematic name of the theoretical 578-и element in the periodic table with a symbol of Pso and atomic number of 578. Pentseptoctium, also known as element 578, has петстотин седемдесет и осем protons in its nucleus, and петстотин седемдесет и осем electrons in its shells.