if a star can convert all the He nuclei completely into oxygen nuclei.The energy released per oxygen nuclei is: (mass of the helium nucleus is 4.0026 amu and mass of oxygen nucleus is 15.9994 amu): a)7.6 Mev b)56.12 Mev c)10.24 Mev d)23.4 Mev Share with your friends Share 1 Vaibhav T. answered this Dear Student, 4He42=O168So mass defect is,∆m=44.0026-15.994 amu=0.011 amuEnergy released per oxygen nuclei,E=0.011×931.48 MeVE=10.24 MeV 0 View Full Answer