Chem R110 - Elementary Chemistry » Spring 2021 » Quiz 9

Need help with your exam preparation?

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

Need help with your exam preparation?