Pentquadnilium (Pqn)

Pentquadnilium is the systematic name of the theoretical ٥٤٠. element in the periodic table with a symbol of Pqn and atomic number of 540. Pentquadnilium, also known as element 540, has خمسة مائة وأربعون protons in its nucleus, and خمسة مائة وأربعون electrons in its shells.