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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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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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