Percent Ionic Character Worksheet Page 2
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1
2Type of Bond
Electronegativity Difference
Molecule or
Predict:
Percent Ionic
Choices: covalent
Compound Name
Compound
(show math!)
Formula
Ionic/Covalent?
character
(nonpolar), covalent
(Using the Type of Bond)
Ignore subscripts
Unit?
(polar), ionic
7)
NaBr
Ionic
2.96‐0.93 = 2.03
63%
Ionic
Formula Unit
Sodium Bromide
8)
MgS
Ionic
2.5‐1.31 = 1.19
30%
Polar Covalent
Molecule
Magnesium Monosulfide
9)
Al
S
Ionic
2.5‐1.61 = 0.89
15%
Polar Covalent
Molecule
Dialuminum Trisulfide
2
3
10)
CH
Covalent
2.55‐2.20 = 0.35
4%
Polar Covalent
Molecule
Methane
4
Nonpolar (pure)
11)
F
Covalent
3.96‐3.96 = 0
0%
Molecule
Fluorine
2
Covalent
12)
SO
Covalent
3.44‐2.5 = 0.94
22%
Polar Covalent
Molecule
Sulfur Dioxide
2
13)
HCl
Covalent
3.16‐2.20 = 0.96
22%
Polar Covalent
Molecule
Hydrochloric Acid
14)
CO
Covalent
3.44‐2.55 = 0.89
15%
Polar Covalent
Molecule
Carbon Monoxide
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