Talk:Atomic weight

I think a typo has crept in - atomic weight is about the mass of an atom (not just the nucleus) and the reference is scale is that which an atom (not nucleus) of Carbon-12 is 12 units.

You should also make it clear that the 'average' is a weighted average over naturally occuring isotopes.

Perhaps I should have been bolder and simply editted the page but it is my first time here.

Kenneth Evans 3 February 2002