Ionic Bonds
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Ionic Bonds

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Ionic Bonds Ionic Bonds Presentation Transcript

  • Ionic Bonds
    Students will be able to
    Describe ions and explain how they form
    Understand chemical formulas and ionic compounds
    Identify the properties of ionic compounds
  • Ions and Ionic Bonds
    23
  • Ions
    23
  • Ions and Ionic Bonds
    23
  • Ions and Ionic Bonds
    23
  • Sodium Chloride
    24
  • Chemical Formulas and Names
    25
  • Chemical Formulas and Names
    To form the compound Lithium Chloride
    Charge of Lithium
    Charge of Chloride
    Balance charges
    LiCl
    Sodium Sulfide
    Charge of Sodium
    Charge of Sulfide
    Balance charges
    Na2S
    Aluminum Oxide
    Aluminum = +3
    Oxide = -2
    Balance charges
    Al2O3
    +1
    -1
    +1
    -2
    25
  • a. Hard, brittle crystals (Special 3D structure)
    26
  • Properties of Ionic Compounds
    b. High melting point
    c. High boiling point
    (hard to separate crystals)
    26
  • Properties of Ionic Compounds
    d. Electrical conduction
    Ions separate in water and can carry charge
    27
  • Understanding Main Ideas
    How does an atom become a positive ion?
    How does an atom become a negative ion?
    How do ions form neutral compounds?
    What are characteristics of ionic compounds?
  • Understanding Main Ideas
    How many potassium ions balance sulfide ion?
    Write the formulas for calcium chloride
    CaCl2
    Write the formula for potassium
    phosphate
    K3PO4
    Name the compound MgS
    Name the compound NH4Cl
    Name the compound K2O
    Which ions are polyatomic?