What is the primary distinction between atomic mass and atomic weight?

A. Atomic mass is a whole number, while atomic weight is a decimal.
B. Atomic mass is an average, while atomic weight is not.
C. Atomic weight considers isotopes; atomic mass does not.
D. They are the same.

Answer: Atomic weight considers isotopes; atomic mass does not.


Additional Information: Atomic weight is the weighted average of an element's isotopes, while atomic mass is based on a specific isotope.


Subjects: Atomic Structure, Chemistry

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