COMPOUNDS

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COMPOUNDS

• Chapter 4.1

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Compound ? Gen. Info
Atoms are joined together by bonds
This makes them different than mixtures
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Compound ? Gen. Info
Compounds always have the same formula
Ex. Water gt H2O
Ex. Table Sugar gt C12H22O11
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Compound ? Gen. Info
Structure provides information like
Bond Length
Bond Angle
Compound Properties
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Compound ? Models
Bond Length
shows
Ball Stick
Bond Angle
Does show space occupied
Space-filling
Does not show angles
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Compound Structures
Network Structures
Strong solids
Properties
Bonded Ions (Ex. Table salt, NaCl)
Bonded Molecules (Ex. Silicon Dioxide, SiO2)
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Compound Structures
Individual Molecules
Attraction is weaker than networks
Properties
Strength of attraction
Determines state of matter at RT