The triad of nuclei that is isotonic is.....

1.	The triad of nuclei that is isotonic is.....
Answer» `._(6)C^(14), ._(7)N^(15), ._(9)F^(17)` `._(6)C^(12), ._(7)N^(14), ._(9)F^(19)` `._(6)C^(14), ._(7)N^(14), ._(9)F^(17)` `._(6)C^(14), ._(7)N^(14), ._(9)F^(19)` Answer :a

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