Hexquadnilium (Hqn)

Hexquadnilium is the systematic name of the theoretical ٦٤٠. element in the periodic table with a symbol of Hqn and atomic number of 640. Hexquadnilium, also known as element 640, has ستة مائة وأربعون protons in its nucleus, and ستة مائة وأربعون electrons in its shells.