[Answered] When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number A) 88. B) ...

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Author Question: When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number A) 88. B) ... (Read 78 times)

DyllonKazuo

Hero Member
Posts: 565

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

Sr. Member
Posts: 357

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: E

Answer to Question 2

Answer: B

DyllonKazuo

Hero Member
Posts: 565

Reply #2 on: Jul 29, 2018

Thanks

k2629

Sr. Member
Posts: 357

Reply #3 on: Jul 29, 2018

Welcome

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Author Question: When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number A) 88. B) ... (Read 78 times)

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