A U-238 atom undergoes alpha decay. The daughter atom then undergoes beta minus decay into a...

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A U-238 atom undergoes alpha decay. The daughter atom then undergoes beta minus decay into a second daughter atom. What is th

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Answer 1

Answer #1

After alpha decay, first daughter nuclie has mass number decreased by 4 and atomic number by 2. Further negative beta decay, second daughter nuclie has mass number same as that of first daughter nuclie. Hence it is 234 Thorium.

Correct option is Th-234 .

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Answer 2

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