Amount of substance Flashcards
(3 cards)
1
Q
What is the relative atomic mass?
A
the average mass of an atom of an element when measured on a scale which the mass of an atom of 12C is exactly 12.
2
Q
Relative molecular mass
A
the average mass of a molecule when measured on a scale on which the mass of an atom of 12C is exactly 12
3
Q
Relative isotopic mass
A
the mass of an atom of an isotope of an element measured on a scale on which the mass of an atom of 12C is exactly 12.