Pentquadbium (Pqb)

Pentquadbium is the systematic name of the theoretical ٥٤٢. element in the periodic table with a symbol of Pqb and atomic number of 542. Pentquadbium, also known as element 542, has خمسة مائة وإثنان وأربعون protons in its nucleus, and خمسة مائة وإثنان وأربعون electrons in its shells.