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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 72 times)

oliviahorn72

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

C

Answer to Question 2

B


oliviahorn72

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Reply 2 on: Jul 27, 2018
Gracias!

fatboyy09

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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