WorksheetsCovalent Bonding HW from WS
Total questions: 25
Worksheet time: 27mins
What is the total number of valence electrons in PO43-
32
29
26
11
What is the total number of valence electrons available for bonding in CH3OH
18
12
14
24
What is the total number of valence electrons in PCl3?
24
26
18
22
Describe the bonding in H2S
two single bonds with no lone pairs on the S
two single bonds with two lone pairs on the S
two double bonds
one single bond, one double bond
Describe the bonding in CO2.
two single bonds with two lone pairs on the C
two double bonds with two lone pairs on the C
two double bonds with no lone pairs on the C
two single bonds with no lone pairs on the C
Describe the bonding in BH3
three single bonds with one lone pair on the B
three single bonds with no lone pairs on the B
one double bond and two single bonds
one double bond and two single bonds with one lone pair on the B
Describe the bonding in CH3OH
all single bonds, no lone pairs
all single bonds, two lone pairs on the O
all single bonds, two lone pairs on the C
double bond between C and O, the rest single, no lone pairs
Describe the bonding in CN1-
single with three lone pairs on each atom
double with two lone pairs on each atom
triple with one lone pair on each atom
triple with no lone pairs on either atom
Describe the bonding in PO43-
all single bonds with no lone pairs on the P
two double bonds, two single bonds on the P, no lone pairs on the P
one double bond, 2 single bonds on the P, no lone pairs on the P
all single bonds with one lone pair on the P
What is true about NO2-?
it exhibits resonance
each resonance structure has one double bond and one single bond, with one lone pair on the N
the structure must have brackets around it with the overall charge
all of the above
What is the VSEPR shape for PCl3?
trigonal planar
trigonal pyramidal
tetrahedral
bent
What is the VSEPR shape for SiH4
linear
tetrahedral
tetraplanar
trigonal planar
What is the VSEPR shape for NO21-
bent
linear
trigonal planar
trigonal pyramidal
What is the steric number of carbon in CO2?
two
three
four
one
What is the VSEPR shape for C2H2?
linear with respect to both carbons
bent with respect to both carbons
linear with respect to the first carbon and bent with respect to the second carbon
trigonal planar with respect to both carbons
What is the bond angle in ClO4-?
120 degrees
109.5 degrees
<109.5 degrees
<<109.5 degrees
What is the bond angle in NH3?
120 degrees
109.5 degrees
<109.5 degrees
<<109.5 degrees
What is the bond angle in BH3?
120 degrees
109.5 degrees
<109.5 degrees
<<109.5 degrees
HCl
linear, nonpolar
linear, polar
bent, nonpolar
bent, polar
BH3
polar
nonpolar
H2S
polar
nonpolar
NH3
polar
nonpolar
O2
polar
nonpolar
CH3OH
polar
nonpolar
