1. Chapter 2 Matter and Change 2.1 Properties of Matter 2.2 Mixtures
2.3 Elements and Compounds
2.4 Chemical Reactions
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2. Do Now: What properties can you use to describe a beaker of water?
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3. State (solid, liquid, gas) Color Melting point Conductivity
Describing Matter
Physical Property – characteristic that can be observed or measured WITHOUT changing a substance’s composition
Examples:
State (solid, liquid, gas)
Color
Melting point
Conductivity
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4. Mass - amount of matter an object contains
Describing Matter
Mass - amount of matter an object contains
Volume - space occupied by an object
Density – ratio of the mass of an object to volume
Density = mass / volume
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5. Physical Properties Intensive Properties Extensive Properties
Depend on the type of matter in a sample. Does NOT depend on the amount.
Examples:
Density
Temperature
Depend on the amount of matter in a sample.
Examples:
Mass
Volume
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6. Classify as Extensive or Intensive
Mass Melting Point Color Volume Boiling Point
Concentration Length Freezing Point Temperature Density
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7. Physical Properties Intensive Properties Extensive Properties
Depend on the type of matter in a sample. Does NOT depend on the amount.
Examples:
Density
Temperature
Melting & Freezing Points
Boiling Point
Concentration
Depend on the amount of matter in a sample.
Examples:
Mass
Volume
Length
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8. END OF 2.1
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