Pentquadennium (Pqe)

Pentquadennium is the systematic name of the theoretical 549. element in the periodic table with a symbol of Pqe and atomic number of 549. Pentquadennium, also known as element 549, has fünf­hundert­neun­und­vierzig protons in its nucleus, and fünf­hundert­neun­und­vierzig electrons in its shells.