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Polarity & IMF

Total questions: 25

Worksheet time: 59mins

Name
Class
Date
1.
In covalent bonds, electrons are ___________.
a)
transferred
b)
gained
c)
lost
d)
shared
2.
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
3.
Which of the following is the correct Lewis structure for water?
a)
A
b)
B
c)
C
4.

Electronegativity is a measurement of the ability of a nucleus to...

a)

attract bonding electrons

b)

attract other nuclei

c)

attract electrons in the non-valence energy levels

d)

remove an electron from the valence shell

5.
How many electrons are represented by a single straight line in a Lewis structure?
a)
1
b)
2
c)
4
d)
6
6.
The most electronegative atom in the periodic table is:
a)
Fluorine
b)
Helium
c)
Neon
d)
Francium
7.
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
8.
This is an example of a __________ bond.
a)
non-polar covalent
b)
polar covalent
c)
ionic
d)
metallic
9.
Partial charges like the ones shown here are called:
a)
dipoles
b)
deltas
c)
ions
d)
magnetic poles
10.
Which molecule contains bonds of GREATER polarity?
a)
H2O
b)
OF2
11.
Which molecule contains bonds with a GREATER polarity?
a)
HCl
b)
CCl4
12.
A bond with a partially negative end and a partially positive end is:
a)
ionic
b)
polar
c)
non-polar
d)
isometric
13.
A diatomic molecule like O2 is always_______ because electrons are shared ________.
a)
nonpolar; equally
b)
polar; equally
c)
nonpolar; unequally
d)
nonpolar; unequally
14.
If Boron bonds with Hydrogen, a ____________ bond forms.
a)
polar covalent
b)
nonpolar covalent
c)
metallic
d)
ionic
15.
If Bromine bonds with Hydrogen, a ____________ bond forms.
a)
polar covalent
b)
nonpolar covalent
c)
metallic
d)
ionic
16.

Based on intermolecular forces, which of the following compounds would most likely have the highest boiling and melting points?

a)

OF2

b)

F2

c)

O2

d)

H2O

17.

Which of the following geometries could be nonpolar?

a)

bent

b)

tetrahedral

c)

trigonal pyrimidal

d)

none of the above

18.

This is a _____ molecule made of _____ bonds.

a)

Polar, polar

b)

Nonpolar polar

c)

Polar, nonpolar

d)

Nonpolar, nonpolar

19.

Is this a _____ molecule made up of _____ bonds.

a)

Polar, polar

b)

Nonpolar, polar

c)

Polar, nonpolar

d)

Nonpolar, nonpolar

20.
What geometry will this molecular structure have?: H2S
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
21.

strongest intermolecular forces for CO2:

a)

Dispersion Force

b)

Dipole dipole

c)

Hydrogen bonding

d)

Polar covalent

22.

Which of the following does NOT contain hydrogen bonding?

a)

NH3

b)

H2O

c)

CBr3OH

d)

HOF

23.

Which of the following would experience dipole-dipole forces of attraction?

a)
b)
c)
d)
24.

Which is a nonpolar molecule that contains polar bonds?

a)

HCl

b)

CCl4

c)

Cl2

d)

NCl3

25.

Which of the following geometries is always polar?

a)

bent

b)

tetrahedral

c)

trigonal planar

d)

linear

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