Penttriunium (Ptu)

Penttriunium is the systematic name of the theoretical ٥٣١. element in the periodic table with a symbol of Ptu and atomic number of 531. Penttriunium, also known as element 531, has خمسة مائة وواحد وثلاثون protons in its nucleus, and خمسة مائة وواحد وثلاثون electrons in its shells.