Chem R110 - Elementary Chemistry » Spring 2021 » Quiz 9
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Question #1
As one progresses left to right across a period on the periodic table, first ionization energy generally
A.
remains the same.
B.
increases.
C.
decreases.
Question #2
What is the total number of valence electrons in a lithium sulfide formula unit?
A.
19
B.
2
C.
7
D.
8
Question #3
A Ca+2 ion has an electron configuration similar to that of
A.
krypton.
B.
xenon.
C.
neon.
D.
argon.
Question #4
How many bonding electrons are in the Lewis structure of carbon monoxide, CO?
A.
6
B.
0
C.
3
D.
4
Question #5
Which one has a trigonal pyramidal structure?
A.
CH4
B.
CO2
C.
NH3
D.
H2O
Question #6
The electron geometry and the molecular geometry of water are, respectively:
A.
trigonal planar, bent.
B.
None of these
C.
tetrahedral, tetrahedral.
D.
tetrahedral, trigonal pyramidal.
E.
tetrahedral, bent.
Question #7
For the following compound, choose its molecular shape. H2O
A.
Trigonal Planar
B.
Tetrahedral
C.
Bent
D.
Linear
Question #8
For the following compound, choose its molecular shape. CO2
A.
Linear
B.
Bent
C.
Trigonal Planar
D.
Tetrahedral
Question #9
For the following compound, choose its molecular shape. BF3
A.
Bent
B.
Trigonal Planar
C.
Linear
D.
Tetrahedral
Question #10
For the following compound, choose its molecular shape. CH4
A.
Trigonal Planar
B.
Linear
C.
Tetrahedral
D.
Bent
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