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Author Question: Which Uranium isotope is the most commonly occurring isotope? A) U-235 B) U-236 C) U-237 D) ... (Read 131 times)

Capo

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on: Jul 27, 2018
Which Uranium isotope is the most commonly occurring isotope?
 
  A) U-235
  B) U-236
  C) U-237
  D) U-238
  E) U-239

Question 2

When a + particle is emitted from an unstable nucleus, the atomic number of the nucleus
 
  A) increases by 1.
  B) does not change.
  C) decreases by 1.
  D) increases by 2.
  E) decreases by 2.


Bigfoot1984

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

D

Answer to Question 2

C


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