Topic 5 Flashcards
1
Q
What is Avogadro’s constant?
A
6.02 x10^23
2
Q
What is relative atomic mass? (Ar)
A
The average mass of an atom of an element compared to 1/12 of the mass of carbon-12
3
Q
What is relative molecular mass? (Mr)
A
The sum of all the relative atomic masses in a molecule
4
Q
What is relative isotopic mass?
A
The mass of an individual atom of an isotopic of an element compared with 1/12 the mass of an atom of carbon-12
