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Chapter 10
Vocabulary
9
Chemistry
10th Grade
12/15/2008

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Cards

Term
Mole
Definition
6.02 x 10 23
Term
Avogadro's Number
Definition
Mole
Term
Representative Particle
Definition
Refers to the species present in a substance: atoms, molecules, or formula units.
Term
Molar Mass
Definition
Mass of an element
Term
Avogadro's Hypothesis
Definition
States that equal volumes of gasses at the same temperature and pressure contain equal numbers of particles.
Term
Standard Temperature and Pressure
Definition
Means a Termperature of 0 C and a pressure of 1amu
Term
Molar Volume
Definition
22.4 L
Term
Percent Composition
Definition
The percent by mass of each element in the compound.
Term
Empirical Formula
Definition
gives the lowest whole-number ratio of the atoms of the elements in a compound.
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