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Author Question: The radioactive decay of 99mTc to 99Tc MUST occur with the emission of A) an alpha particle ... (Read 87 times)

natalie2426

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on: Aug 27, 2018
The radioactive decay of 99mTc to 99Tc MUST occur with the emission of
 
  A) an alpha particle alone.
  B) two beta particles.
  C) a gamma ray alone.
  D) the combination of a beta particle and a gamma ray.

Question 2

Hair colorings that gradually develop hair color
 
  A) have chemistry similar to other permanent hair dyes.
  B) contain lead compounds that react with hair to form black lead sulfide.
  C) are dilute solutions of black paint.
  D) react with hair to reform melanin and phaeomelanin.


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nathang24

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


natalie2426

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

peter

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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