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Author Question: Rutherfordium-261 has a half-life of 1.08 min. How long will it take for a sample of rutherfordium ... (Read 77 times)

Lobcity

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on: Jul 29, 2018
Rutherfordium-261 has a half-life of 1.08 min. How long will it take for a sample of rutherfordium to lose one-third of its nuclei?
 
  A) 1.02 min
  B) 1.62 min
  C) 0.63 min
  D) 2.70 min
  E) 3.24 min

Question 2

An element will decay to an element with higher atomic number in the periodic table if it emits
 
  A) a beta particle.
  B) a gamma ray.
  C) a proton.
  D) an alpha particle.
  E) none of the above


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heyhey123

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

C

Answer to Question 2

Answer: A


Lobcity

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Reply 2 on: Jul 29, 2018
Gracias!

yeungji

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Reply 3 on: Yesterday
Excellent

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