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Ionic Bonds


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Ionic Bonds

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