MDCAT Physics MCQ #2867

A nucleus of uranium-238 undergoes alpha decay. What is the resulting nucleus?

MDCAT Physics MCQ #2867

  1. Question 1

    Q1. A nucleus of uranium-238 undergoes alpha decay. What is the resulting nucleus?

    • A) Thorium-234
    • B) Radium-234
    • C) Actinium-234
    • D) Protactinium-234

    Answer: Thorium-234

    Explanation: U-238 alpha decay yields Th-234, as 2 protons and 2 neutrons are lost.