Pentquadbium (Pqb)

Pentquadbium is the systematic name of the theoretical thứ 542 element in the periodic table with a symbol of Pqb and atomic number of 542. Pentquadbium, also known as element 542, has năm trăm bốn mươi hai protons in its nucleus, and năm trăm bốn mươi hai electrons in its shells.