Pentquadbium (Pqb)

Pentquadbium is the systematic name of the theoretical 542. element in the periodic table with a symbol of Pqb and atomic number of 542. Pentquadbium, also known as element 542, has חמש מאות ארבעים ושתיים protons in its nucleus, and חמש מאות ארבעים ושתיים electrons in its shells.