Pentquadhexium (Pqh)
Pentquadhexium is the systematic name of the theoretical 546. element in the periodic table with a symbol of Pqh and atomic number of 546. Pentquadhexium, also known as element 546, has piecsimt četrdesmit seši protons in its nucleus, and piecsimt četrdesmit seši electrons in its shells.