SAT Subject Physics Practice Question 368: Answer and Explanation

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Question: 368

64. Complete the nuclear reaction below by selecting the answer choice that correctly completes the reaction.

A.
B.
C.
D. α
E. Y

Correct Answer: B

Explanation:

The correct answer is (B). Add all the atomic numbers (Z numbers) on both sides to balance the proton numbers.Then add all the mass numbers (A numbers) on both sides to balance the mass.

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