Question: QUESTION 1 When drawing a Lewis structure for a covalent compound, you need to know the total number of valence electrons for the compound….

Question:QUESTION 1
When drawing a Lewis structure for a covalent compound, you need to know the total number of valence electrons for the compound. How many valence electrons are there for Cl2CO?
A.17
B.24
C.28
D.32
QUESTION 2
What is the molecular geometry of PBr3?
A.trigonal pyramidal
B.trigonal planar
C.linear
D.tetrahedral
QUESTION 3
How many dots would be shown for the Lewis dot structure of strontium, Sr?
A.1
B.2
C.7
D.8
QUESTION 4
Which of the following molecules have Lewis structures with lone pairs of electrons on the center atom?
A.CO2
B.OF2
C.CCl4
D.All of them
QUESTION 5
Draw a suitable Lewis structure for Li2S. In the structure,
A.each lithium atom makes one bond to sulfur.
B.there are two lithium ions each with a +1 charge and and one sulfide ion with four pairs of electrons and a -2 charge.
C.there are wto lithium atoms and one sulfur atom with 6 electrons.
D.there are two sulfide ions and one lithium ion.
QUESTION 6
What is the expected bond angle of PBr3?
A.120o
B.90o
C.180o
D.109.5o
QUESTION 7
Which of the following has polar bonds but is nonpolar?
A.BeCl2
B.CCl4
C.CO2
D.All of them
QUESTION 8
The electron geometry and the molecular geometry of SCl2 are, respectively:
A.tetrahedral, bent
B.tetrahedral, trigonal pyramidal
C.trigonal planar, bent
D.linear, linear
QUESTION 9
Which molecule listed below is a polar molecule?
A.SiCl4
B.O2
C.Cl2O
D.All of them.
QUESTION 10
Which of the following compounds would require a Lewis structure that shows electrons were transferred (ionic) instead of being shared (covalent)?
A.Al2S3
B.NO2
C.CO2
D.SF6