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Author Question: Which has the greater half-life? A) Oxygen-19 B) Cobalt-60 C) Uranium-238 D) Strontium-90 E) ... (Read 52 times)

oliviahorn72

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Which has the greater half-life?
 
  A) Oxygen-19
  B) Cobalt-60
  C) Uranium-238
  D) Strontium-90
  E) Hydrogen-3

Question 2

241Am decays by alpha particle emission. The daughter isotope in this case is (the atomic numbers of Np, Pu, Am, Cm, and Bk are 91, 92, 93, 94, and 95 respectively)
 
  A) 239Np.
  B) 237Np.
  C) 245Bk.
  D) 235Bk.
  E) not given.



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Galvarado142

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Answer to Question 1

C

Answer to Question 2

B




oliviahorn72

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Reply 2 on: Jul 27, 2018
:D TYSM


smrtceo

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Reply 3 on: Yesterday
Excellent

 

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