Chemistry

Chemistry

Problem

Consider the nuclides 614C^{14}_{6}\mathrm C, 714N^{14}_{7}\mathrm N, 715N^{15}_{7}\mathrm N and 815O^{15}_{8}\mathrm O. Which pair is neither isotope nor isobar, but forms an isotone? a) 714N^{14}_{7}\mathrm N and 715N^{15}_{7}\mathrm N b) 614C^{14}_{6}\mathrm C\;and\;715N^{15}_{7}\mathrm N c) 715N^{15}_{7}\mathrm N and 815O^{15}_{8}\mathrm O d) 614C^{14}_{6}\mathrm C and 714N^{14}_{7}\mathrm N

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