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What is the missing part of the equation below?

²³⁸U₉₂→²³⁴Th₉₀ + ?
A. ⁴He₂
B. ⁴³⁸He₂
C. ⁴He₄
D. ²He₄

1 Answer

5 votes
The correct answer is A.
User Zeewagon
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