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Quiz #1

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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Quiz #1

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  1. Quiz #1

  2. 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

  3. Question # 2 • Which has the highest electonegativity? • A. Fluorine B. Sodium • C. Chlorine D. Hydrogen

  4. Question #3 Which element has 3 valence electrons? • A. Fluorine B. Sodium • C. Chlorine D. Aluminum

  5. Question # 4 • Which of the elements listed below exhibit hydrogen bonding when combined with hydrogen? • A. Fluorine B. Sodium • C. Chlorine D. Hydrogen

  6. Question #5 • Which bond/bonds is/are polar? • (I) H– Cl (II) H – H • A. both B. Just (I) C. Just (II) D. Neither

  7. Question #6 • Considering the molar mass of H2O, • its boiling point is • A. Surprisingly low • B. Surprisingly high • C. What one would expect

  8. Question #7 • Which is the correct shape for a molecule of water? • A) square B) pyramid C) bent D) triangular

  9. Question #8 • How many electrons make up a single covalent bond? • A) 1 B) 2 C) 3 D) 4

  10. 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

  11. 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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