A fictional element named Nivadium is found to have three naturally occurring isotopes with the natural abundances shown here: 
The calculated atomic mass of Nivadium is:
A) 7.61 amu
B) 22.83 amu
C) 23.18 amu
D) 69.55 amu
E) none of the above
Correct Answer:
Verified
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A)14
B)12
C)6
D)8
E)none
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Q105: How many protons are found in C-14?
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