Multiple Choice
An element,X,has the following isotopic composition: X-200,90%; X-199,8.0%; and X-202,2.0%.Its average atomic mass is closest to
A) 200 amu.
B) 203 amu.
C) 199 amu.
D) 202 amu.
E) 201 amu.
Correct Answer:

Verified
Correct Answer:
Verified
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