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Author Question: The mass of a neutron is ________ the combined mass of a proton and an electron. A) less than B) ... (Read 79 times)

MGLQZ

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on: Jul 27, 2018
The mass of a neutron is ________ the combined mass of a proton and an electron.
 
  A) less than
  B) equal to
  C) more than

Question 2

A roentgen (R) is
 
  A) 10-2 J/kg.
  B) 3.70  1010 decays/s in radium.
  C) the SI unit of radioactivity ( = 1 decay/s).
  D) the SI unit of absorbed dose = 1 J/kg = 100 rad.
  E) a dosage of 2.58  10-4 C/kg.


TheDev123

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

C

Answer to Question 2

E


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