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Author Question: When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number A) 88. B) ... (Read 134 times)

DyllonKazuo

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on: Jul 29, 2018
When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number
 
  A) 88.
  B) 89.
  C) 90.
  D) 92.
  E) none of the above

Question 2

Artificially induced radioactive elements generally have
 
  A) long half-lives.
  B) short half-lives.
  C) no half-lives.


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k2629

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: B


DyllonKazuo

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Reply #2 on: Jul 29, 2018
Thanks


k2629

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Reply #3 on: Jul 29, 2018
Welcome :)


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