Chemistry

Chemistry

Problem

Select the pair of nuclei that are isobars. a) 2040Ca  and  2042Ca_{20}^{40}\text{Ca} \; \text{and} \; _{20}^{42}\text{Ca} b) 1531P  and  1431Si_{15}^{31}\text{P} \; \text{and} \; _{14}^{31}\text{Si} c) 614C  and  816O_{6}^{14}\text{C} \; \text{and} \; _{8}^{16}\text{O} d) 1327Al  and  1327Al_{13}^{27}\text{Al} \; \text{and} \; _{13}^{27}\text{Al}

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