# Correct definition of Relative atomic mass

by synkk
Tags: atomic, correct, definition, mass, relative
 P: 216 1. The problem statement, all variables and given/known data Explain what you understand by the term Relative Atomic Mass The question is equal to three marks, though i don't think i've put enough for all the marks: 3. The attempt at a solution The mass of an atom relative to one atom of carbon-12. I would think thats only equal to one mark, how do i get the other three?
P: 621
 Quote by synkk 1. The problem statement, all variables and given/known data Explain what you understand by the term Relative Atomic Mass The question is equal to three marks, though i don't think i've put enough for all the marks: 3. The attempt at a solution The mass of an atom relative to one atom of carbon-12. I would think thats only equal to one mark, how do i get the other three?
So carbon-12 has a relative atomic mass of 1 (unity) then (viz, relative to itself)?! I'd not give you the one mark! :/
 P: 216 So how could i get receive the three marks?
P: 216

## Correct definition of Relative atomic mass

I put: Average mass of an element compared to 1/12th of a carbon-12 atom? Hows that
 Admin P: 21,686 Not bad, but not completely correct either. Relative atomic mass can be relative to any atom, doesn't have to be C-12 - the choice is arbitrary. It was oxygen in the past, it is C-12 now.

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