Chapter 9 - Moles Flashcards
1
Q
The name given to a group of 6.022 × 1023
items.
A
Mole
2
Q
Avogadro’s Number
A
6.022 x 10^(23)
3
Q
The smallest unit of a substance that retains its chemical identity.
A
representative particle
4
Q
The mass of one mole of representative particles of a substance.
A
Molar Mass
5
Q
A pressure of one atmosphere and a
temperature of 0°C.
A
Standard temperature and pressure (STP)
6
Q
The percent by mass of each element in a compound.
A
Percent Composition
7
Q
An elemental formula showing the lowest whole-number ratio of the elements in a compound.
A
Empirical formula
