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Unit #1Unit #2Unit #3Unit #4Unit #5Unit #6Unit #7Unit #8Unit #9Unit #10
spacerUNIT # 2  
spacerspacerIntroduction
spacerspacerObjectives
spacerspacerReading


spacer2.1 Physical
spacerStates of
spacerMatter

spacer2.2 Physical &
spacerChemical
spacerProperties
spacer2.3 Physical &
spacerChemical
spacerChanges

spacer2.4 Classific-
spaceration of

spacerMatter
spacerPure Substances

spacerMixtures

spacer2.5 Energy
spacerPotential and Kinetic Energy

spacerEndothermic and Exothermic Reactions
spacerLaw of Conservation of Energy

spacerspacerProblems
   

Unit #2 MATTER AND ENERGY

2.2 - Physical and Chemical Properties

The characteristics that we use to identify matter and distinguish them from one another are called properties. We group these properties into two broad categories: Physical properties and Chemical properties.

Physical properties of matter are usually those that we can observe with our senses. A substance's physical property allows us to identify the substance without causing a change in the composition of the substance. Can you name some physical properties?

Chemical properties of matter are those that relate to how the substance changes in composition or how it interacts with other substances. Can you name some chemical properties?

Section 3.4
Properties and Changes of Pure Substances ..p59

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