Chapter 6 Flashcards
0
Q
The average mass of atoms of one element
A
Average atomic mass
1
Q
Unit of mass used to weigh atoms (1.66x10 -24g)
A
Atomic mass unit (amu)
2
Q
The amount of a substance that contains as many particles as there are carbon atoms in 12.01g of carbon
A
Mol(e)
3
Q
Avogadro’s number
A
6.022x10 23
4
Q
The number of grams in one mole of a substance
A
Molar mass
5
Q
Mass of an element present in one mole of a compound
A
Mass percent (percent composition)
6
Q
Smallest whole number ratio of atoms present in a formula
A
Empirical formula
7
Q
Actual formula of a compound; giving the composition of the molecules present
A
Molecular formula