Relative atomic mass and relative molecular mass Flashcards
1
Q
Relative Atomic Mass (Ar) definition
A
The mean mass of an atom of an element, compared to 1/12th the mean mass of a carbon-12 atom.
2
Q
Relative Molecular Mass (Mr) definition
A
The mean mass of a molecule of a compound, compared to 1/12th of the mean mass of a carbon-12 atom.