Unit 5: Chemical Bonds and Compounds

Essential Questions:
  1. How and why do elements bond?
  2. What is the octet rule?
  3. How are ionic and covalent bonds formed?
  4. Compare and contrast ionic and covalent bonding and properties of ionic and covalent compounds.
  5. How are ionic, covalent, and acidic compounds (binary and tertiary) named using IUPAC nomenclature?
  6. How are formulas written for stable ionic compounds based on balance of charge?
  7. What are crystals and what do they represent?
  8. How does the difference in electronegativity between 2 bonded atoms determine bond character?
  9. What are intermolecular forces?
  10. How are intermolecular forces related to dipoles within molecules?
  11. Describe polarity and the properties associated with polar molecules.
GPS:  SC3. e, SC1. e, SC1. d (1 - 3) 

Vocabulary:
  1. chemical bond
  2. valence electrons
  3. octet rule
  4. ionic bond
  5. covalent bond
  6. polar covalent bond
  7. non-polar covalent bond
  8. metallic bond
  9. polarity
  10. intermolecular forces
  11. London dispersion forces
  12. dipole
  13. dipole-dipole forces
  14. hydrogen bonding

Required Reading:

Chapter 7 pages 206 – 228, Chapter 8 pages 239 – 271, and 12.2 pages 411 – 415

Homework 3-13-13


 http://www.dsisd.txed.net/documentcenter/view/16971          (Writing formulas for metals with multiple oxidation states)


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