MDCAT Chemistry MCQ #966

Which isotope of carbon has 7 neutrons in its nucleus?

MDCAT Chemistry MCQ #966

  1. Question 1

    Q1. Which isotope of carbon has 7 neutrons in its nucleus?

    • A) Carbon-13
    • B) Carbon-12
    • C) Carbon-14
    • D) Carbon-10

    Answer: Carbon-13

    Explanation: Carbon-13 (A) has 6 protons + 7 neutrons = mass number 13. Carbon-12 (B) has 6 neutrons.