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WorksheetsCovalent Substances
Total questions: 18
Worksheet time: 18mins
Name
Class
Date
1.
Is this molecule polar or non-polar?
a)
Polar
b)
Non-polar
2.
Is this molecule polar or non-polar?
a)
Polar
b)
Non-polar
3.
Is this molecule polar or non-polar?
a)
Non-polar
b)
Polar
4.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
5.
In a polar covalent bond, electrons are shared ___________.
a)
equally
b)
unequally
c)
between non-metals with similar electronegativities
d)
between a metal and a non-metal
6.
In this Lewis structure, the symbol above F means...
a)
electrons are being transferred to Fluorine
b)
electrons are less attracted to F than H
c)
electrons are more attracted to F than H
d)
Fluorine has formed a cation
7.
Which molecule contains bonds of GREATER polarity?
a)
H2O
b)
OF2
8.
If Bromine bonds with Hydrogen, a ____________ bond forms.
a)
polar covalent
b)
nonpolar covalent
c)
metallic
d)
ionic
9.
What geometry will this molecular structure have?: PH3
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
10.
What geometry will this molecular structure have?: CCl4
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
11.
What information do we look for on the periodic table if we want to examine intermolecular forces?
a)
atomic mass
b)
atomic number
c)
electronegativity
d)
ionization
12.
What will be the state of the following molecule?
a)
gas
b)
liquid
c)
solid
13.
Which noble gas has the highest boiling point?
a)
Xe
b)
Kr
c)
Ar
d)
He
14.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
15.
Which of the following will take the longest to evaporate?
a)
CH3CH2OH
b)
CH3OH
c)
CH3CH3
16.
What explains the very high melting and boiling point of water
a)
Strong dipole-dipole bonds between water molecules
b)
Strong hydrogen bonds between water molecules
c)
Dispersion forces which are present in all molecules
d)
Asymmetrical shape of the polar bonds.
17.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
18.
Which substance has the weakest intermolecular forces?
a)
Substance A, boiling point of 75 °C
b)
Substance B, boiling point of 105 °C
c)
Substance C, boiling point of 25 °C
d)
Substance d, boiling point of 45 °C
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