NEW
Font size
S
M
L
XL
WorksheetsMolecules and Bonding
Total questions: 21
Worksheet time: 40mins
Name
Class
Date
1.
How many unpaired electrons
are in the Lewis dot symbol of a chlorine
atom?
a)
7
b)
3
c)
5
d)
1
2.
Which one violates the octet
rule?
a)
S2-
b)
Mg1+
c)
O2-
d)
Fr1+
3.
Which one of the following
forms an ionic bond with Chlorine?
a)
C
b)
Mg
c)
P
d)
As
4.
Which of the following
molecules is exception to octet rule?
a)
PCl5
b)
COCl2
c)
CCl4
d)
H2O
5.
As the number of bonds increases, the strength of the bond ________.
a)
increases
b)
stays the same
c)
decreases
d)
You can't tell
6.
How many available valence electrons are in SO42- ion?
a)
32
b)
30
c)
24
d)
28
7.
What are the approximate bond angles in CS2?
a)
1070
b)
109.50
c)
1200
d)
1800
8.
The molecular geometry of boron trichloride is...
a)
tetrahedral
b)
trigonal planar
c)
trigonal bipyramidal
d)
trigonal pyramidal
9.
Which of the following groups contains no ionic compounds?
a)
HCN, NO2, Ca(NO3)2
b)
KOH, CaF2, NaNH2
c)
PCl5, LiBr, Zn(OH)2
d)
CH2O, H2S, NH3
10.
Which molecule contains one unshared pair of valence electrons?
a)
H2O
b)
NH3
c)
CH4
d)
CO2
11.
In the Lewis structure of SF2, there are ____ single bonds and ____ total lone pairs on the central atom?
a)
2,8
b)
3,8
c)
2,2
d)
2,6
12.
A molecule consists of four bonds and no lone pairs. What is its structure?
a)
square planar
b)
tetrahedral
c)
linear
d)
square pyramidal
13.
Predict the real bond angles in SeCl2 using the VSEPR theory:
a)
more than 120°
b)
between 109 and 120
c)
between 90 and 109
d)
90
14.
Which of the following is a covalent compound?
a)
SrI2
b)
P4O10
c)
LiOH
d)
ZnS
15.
What is the formula for magnesium nitrate
a)
Mg(NO3)2
b)
MgNO3
c)
Mg2(NO3)2
d)
Mg2(NO3)
16.
What is the formula for carbon hexasulfide
a)
CS6
b)
C6S6
c)
CS
d)
CS2
17.
What is the name for SiF3
a)
silicon trifluoride
b)
silicon fluoride
c)
monosilicon fluoride
d)
silicide fluoride
18.
What is the name for the compound K2SO4
a)
potassium sulfate
b)
potassium disulfide
c)
dipotassium sulfate
d)
potassium sulfur oxide
19.
What is the name for FeN
a)
Iron (III) nitride
b)
Iron (II) nitride
c)
Iron nitrate
d)
Iron (III) nitrate
20.
Ionic bonding is the _____________ between metal ions and nonmetal ions.
a)
transfer of electrons
b)
sharing of electrons
21.
Covalent bonding is the _________ between two or more nonmetal atoms.
a)
transfer of electrons
b)
sharing of electrons
Reset
