A \( ^{12}_{6}C এবং ^{14}_{6}C \)
B \( ^{14}_{6}C এবং ^{16}_{8}O \)
C \( ^{16}_{8}O এবং ^{13}_{6}C \)
D \( ^{2}_{1}H এবং ^{3}_{1}H \)
Correct Answer: Option B
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