Teaching UP TGT Mock Test Series 2025 General Science Chemistry Radioactivity

The triad of nuclei that is isotone, is

1
\(\rm {_6^{14}C}, \ {_7^{14}N}, \ {_9^{19}F}\)
2
\(\rm {_6^{12}C}, \ {_7^{14}N}, \ {_9^{19}F}\)
3
\(\rm {_6^{12}C}, \ {_7^{14}N}, \ {_9^{17}F}\)
4
\(\rm {_6^{14}C}, \ {_7^{15}N}, \ {_9^{17}F}\)
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