Definitions Flashcards
1
Q
Relative atomic mass (Ar)
A
The average mass of an atom of an element compared with 1/12th of the mass of carbon-12
2
Q
Relative molecular mass (Mr)
A
The average mass of a molecule compared with 1/12th of the mass of carbon-12
3
Q
Mole
A
Amount of a substance in grams that has the same number of particles as there are atoms in 12 grams of carbon-12