Matching
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Match each term to its brief description.
a. |
lone
pair |
i. |
cation |
b. |
covalent bond |
j. |
polar covalent bond |
c. |
nonelectrolyte |
k. |
Lewis
symbol |
d. |
ionic bond |
l. |
electronegativity |
e. |
monatomic
ion |
m. |
valence
electrons |
f. |
Lewis structure |
n. |
polyatomic ion |
g. |
octet
rule |
o. |
anion |
h. |
electrolyte |
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1. |
A
bond in which an electron pair is shared unequally
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2. |
A
representation of covalent bonding based on Lewis symbols; shared electron
pairs are shown as lines and lone pairs are shown as dots
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3. |
A
pair of electrons in the outermost shell that is not involved in bonding
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4. |
A
chemical bond in which one or more pairs of electrons are shared by
two atoms
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5. |
A
measure of an atom’s ability to attract electrons in a covalent
bond
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6. |
The
bond that results from the electrostatic force of attraction between
positive and negative ions
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7. |
An
ion that consists of only one atom
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8. |
Two
or more atoms bonded to each other and carrying a net overall charge
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9. |
Electrons that are found in the outermost shell of an atom
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10. |
A
diagram that is composed of a chemical symbol and dots depicting the
electrons found in the outermost shell of an atom or ion
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11. |
Atoms
gain or lose electrons in their outermost shells in order to attain
a noble gas configuration.
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12. |
An
atom that possesses more electrons than protons
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13. |
An
atom that possesses more protons than electrons
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14. |
A
compound that, when dissolved in water, produces a solution that conducts
electricity
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15. |
A
compound that, when dissolved in water, does not produce a solution
that conducts electricity
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Short Answer
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16. |
Draw
Lewis structures for O2, C2H4, and
Br2.
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17. |
State
whether each of the following compounds contains ionic bonds or covalent
bonds:
a. LiCl
b.
MgO
c. N2
d. CO2
e.
CaCl2
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18. |
Draw
Lewis symbols for the ions that make up each of the following compounds:
a.
CaO
b. NaBr
c. MgCl2
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19. |
Draw
a Lewis structure for each of the following molecules:
a.
Cl2
b. C2H6
c.
N2
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20. |
List
some physical properties that can be used to determine whether or not
a substance is ionic or molecular. Briefly describe how you would test
for these properties.
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21. |
Write
a general rule that may be used to determine whether or not a solid
is molecular or ionic, based on the elements that comprise it.
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