Pentseptunium (Psu)

Pentseptunium is the systematic name of the theoretical 571-и element in the periodic table with a symbol of Psu and atomic number of 571. Pentseptunium, also known as element 571, has петстотин седемдесет и едно protons in its nucleus, and петстотин седемдесет и едно electrons in its shells.