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Monday, September 7, 2009

Check List To Score A

Chapter 5: Chemical Bonds

A. Knowledge (Definition, meaning and facts)

Check

  1. What is anion?

  2. What is cation?

  3. State two physical properties of ionic compounds.

  4. State two physical properties of covalent compounds.

B. Understanding / Application / Analysis

  1. Explain why sodium chloride can conduct electricity in aqueous state but cannot conduct electricity in solid state.

  2. Magnesium chloride and hydrogen chloride are two compounds of chlorine. At room condition, magnesium chloride exists as a solid but hydrogen chloride exists as a gas. Explain why.

  3. Describe the formation of ionic bond in sodium chloride, NaCl.

  4. By using example, describe the formation of covalent bond between element from Group 14 and element from Group 17.

C. Synthesis

  1. Draw electron arrangement of the compound formed from the following elements.
    1. Nitrogen and hydrogen,
    2. Carbon and oxygen,
    3. Magnesium and chlorine,
    4. Carbon and hydrogen,
    5. Hydrogen and chlorine,
    6. Sodium and oxygen.

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