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 pět set čtyřicet šest protons in its nucleus, and pět set čtyřicet šest electrons in its shells.