MCAT Physics Question 133: Answer and Explanation

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Test Information

Question: 133

13. A certain carbon nucleus dissociates completely into α particles. How many particles are formed?

  • A. 1
  • B. 2
  • C. 3
  • D. 4

Correct Answer: C

Explanation:

A typical carbon nucleus contains 6 protons and 6 neutrons. An α particle contains 2 protons and 2 neutrons. Therefore, one carbon nucleus can dissociate into

particles.

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