What Is A Relative Atomic Number?


3 Answers

Dave Cowles Profile
Dave Cowles answered
I think that was wrong. Relative Atomic Mass is the Atomic Mass (not Number) which is based on the average of the AM's of all the isotopes of an atom considering their proportions found in nature. I don't see a need for a term Relative Atom Number since that value excludes neutrons and hence is lower and hence would be a whole number, no averaging was needed.

Is this clear?
Ramy Alfred Profile
Ramy Alfred answered
It's the average mass number for all of the isotopes of an element.

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