JEE Main 2005Annual, Paper 1ChemistryEasyNuclear Chemistry (historical)9× since 2002The photon of hard gamma radiation knocks a proton out of 1224Mg{}_{12}^{24}Mg1224Mg nucleus to formAOption A. the isotope of parent nucleusBOption B. the isobar of parent nucleusCOption C. the nuclide 1123Na{}_{11}^{23}Na1123NaDOption D. the isobar of 1123Na{}_{11}^{23}Na1123NaCheckSkip · show solution