Question

Which among the following is a stable isotope of C?
1. ${}^{12}C$ 2. ${}^{13}C$ 3. ${}^{14}C$

• A. 1, 2, 3
• B. Only 1 and 2
• C. only 2 and 3
• D. Only 3

Answer 1

The correct option is B Only 1 and 2

Naturally occurring carbon contains three isotopes- ${}^{12}C,{}^{13}C,{}^{14}C.$
Only ${}^{12}C,{}^{13}C$ are stable isotopes.