20. Which of the following is the man-made radioactive
disintegration series?
(A) Thorium series
(B) Neptunium series
(C) Uranium series
(D) Actinium series
(E) None of these
Answers
Answered by
1
Answer:
(D)Actinium series
This answer is not conform
Answered by
0
Answer:
b. Neptunium series is the right answer
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