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Pre Test

Quiz by Perla Agquiz

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Q 1/5
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1. Which of the following elements can only form one bond in a Lewis structure? A. N B. C C. O D. H
29
B. C
A. N
D. H
C. O

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5 questions

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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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