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Quiz #1. Question #1. Which type of bonding is explained by atoms sharing pairs of electrons? (I) Covalent (II) Ionic A. both B. Just (I) C. Just (II) D. Neither. Question # 2. Which has the highest electonegativity ? A. Fluorine B. Sodium C. Chlorine D. Hydrogen.

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Presentation Transcript
question 1
Question #1
  • Which type of bonding is explained by atoms sharing pairs of electrons?
  • (I) Covalent (II) Ionic
  • A. both B. Just (I) C. Just (II) D. Neither
question 2
Question # 2
  • Which has the highest electonegativity?
  • A. Fluorine B. Sodium
  • C. Chlorine D. Hydrogen
question 3
Question #3

Which element has 3 valence electrons?

  • A. Fluorine B. Sodium
  • C. Chlorine D. Aluminum
question 4
Question # 4
  • Which of the elements listed below exhibit hydrogen bonding when combined with hydrogen?
  • A. Fluorine B. Sodium
  • C. Chlorine D. Hydrogen
question 5
Question #5
  • Which bond/bonds is/are polar?
  • (I) H– Cl (II) H – H
  • A. both B. Just (I) C. Just (II) D. Neither
question 6
Question #6
  • Considering the molar mass of H2O,
  • its boiling point is
  • A. Surprisingly low
  • B. Surprisingly high
  • C. What one would expect
question 7
Question #7
  • Which is the correct shape for a molecule of water?
  • A) square B) pyramid C) bent D) triangular
question 8
Question #8
  • How many electrons make up a single covalent bond?
  • A) 1 B) 2 C) 3 D) 4
question 9
Question #9
  • What type of bonding is present in most liquid compounds?
  • (I) Covalent (II) Ionic
  • A. both B. Just (I) C. Just (II) D. Neither
question 10
Question #10
  • Put the following molecules in order increasing boiling points
  • (I) KCl (II) CH3-CH2-OH (III) CH4
  • A. (I) (II) (III)
  • B (III) (I) (II)
  • C (III) (II) (I)
  • D (II) (III) (I)
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