Which of the Following Contains Two Species Which Are a Pair

question 87

Multiple Choice

Which of the following contains two species which are a pair of isotopes?

• A) ¹⁴C and ¹⁴N
• B) ¹²C and ¹³C
• C) both 14_C and 14_N and 12_C and 13_C
• D) neither 14_C and 14_N or 12_C and 13_C

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