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Pre Test

Quiz by Perla Agquiz

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5 questions
Show answers
  • Q1
    1. Which of the following elements can only form one bond in a Lewis structure? A. N B. C C. O D. H
    B. C
    A. N
    D. H
    C. O
    10s
  • Q2
    2. The number of lone pairs of electrons around the central oxygen atom in In the Lewis structure of the OF2 molecule is: A. 1 B. 3 C. 2 D. 4
    C. 2
    B. 3
    A. 1
    D. 4
    10s
  • Q3
    3. In ammonia, the tetrahedral shape gets distorted because of the lone pair and becomes __________. A. trigonal pyramidal B. linear C. T-shaped D. bent
    D. bent
    B. linear
    A. trigonal pyramidal
    C. T-shaped
    10s
  • Q4
    4. A molecule with trigonal planar geometry: A. H2O B. BF3 C. CO2 D. CH4
    B. BF3
    D. CH4
    A. H2O
    C. CO2
    10s
  • Q5
    5. The number of lone pairs in CO2 molecule are ______________-. A. 0 B. 1 C. 2 D. 3
    C. 2
    A. 0
    B. 1
    D. 3
    10s

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