Pentquadbium (Pqb)

Pentquadbium is the systematic name of the theoretical 542'инчи element in the periodic table with a symbol of Pqb and atomic number of 542. Pentquadbium, also known as element 542, has беш жүз кырк эки protons in its nucleus, and беш жүз кырк эки electrons in its shells.