Formulate mathematical equations to determine the rotation and symmetry (J  ) of planes The energy of the isotope is 54 Xe 132. cbej [Internet]. 2023 Jan. 20 [cited 2024 Jul. 17];(52):469-82. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9545