Chem 065 - Introductory General Chemistry » Winter 2024 » Chapter 10 Quiz
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Question #1
How many total valence electrons are in the Lewis structure of CBr4?
A.
8
B.
82
C.
0
D.
32
E.
6
Question #2
The total number of valance electrons to be counted for the Lewis structure of the PO43- polyatomic ion is
A.
32
B.
26
C.
8
D.
29
Question #3
If the electronegativity difference between elements X and Y is 0.3, the bond between the elements X-Y is
A.
nonpolar covalent.
B.
ionic.
C.
nonpolar ionic.
D.
polar covalent.
E.
impossible.
Question #4
The shape of the ammonia molecule ( NH3) is
A.
trigonal planar
B.
trigonal pyramidal
C.
linear.
D.
bent
E.
tetrahedral
Question #5
Hydrogen sulfide, H2S, has a shape similar to
A.
carbon monoxide.
B.
hydrogen chloride.
C.
water.
D.
carbon dioxide.
E.
carbon tetrachloride.
Question #6
What is the molecular geometry if you have a double bond, a single bond and a lone pair around the central atom?
A.
Tetrahedral
B.
Bent
C.
Trigonal Pyramidal
D.
Linear
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