Mht CetAtomic StructureMHT CET 2026 13th April Morning ShiftMCQ+1 / -02026Which of the following pairs represents isobars?A${}^{3}\text{He}_2$ and ${}^{4}\text{He}_2$B${}^{24}\text{Mg}_{12}$ and ${}^{25}\text{Mg}_{12}$C${}^{40}\text{K}_{19}$ and ${}^{40}\text{Ca}_{20}$D${}^{40}\text{K}_{19}$ and ${}^{39}\text{K}_{19}$Check AnswerClear SelectionReveal AnswerShow Explanation
