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Author Question: The symbol for a certain isotope of radium is Ra. How many nucleons are there in the nucleus of this ... (Read 37 times)

iveyjurea

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on: Jul 27, 2018
The symbol for a certain isotope of radium is Ra. How many nucleons are there in the nucleus of this isotope?
 
  A) 88
  B) 138
  C) 214
  D) 226
  E) 314

Question 2

The symbol for a certain isotope of polonium is Po. How many neutrons are there in the nucleus of this isotope?
 
  A) 84
  B) 130
  C) 214
  D) 298
  E) 314


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izzat

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

D

Answer to Question 2

B


iveyjurea

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

peter

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Reply 3 on: Yesterday
Excellent

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