Question 11
The decay of a 
nucleus occurs when
Given:
mass of Ra = 226.02536 u
mass of Rn = 222.01753 u
mass of He = 4.00260 u
Assuming the initial Ra nucleus to be at rest, what is the kinetic energy of the Rn after the decay?
- A. 0.65 MeV
- B. 4.87 MeV
- C. 86 keV
- D. 4.78 MeV
- E. 1.5 keV
- F. 0
Formula Sheet
Question 10 ...
Question 12 ...
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