AnswersIA-Chemistry A Survey of Chemistry ANomenclature of Ionic Compounds

Nomenclature of Covalent Compounds Answers

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1
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Which is an IUPAC name for a covalent compound?

A
carbon dioxide
B
carbon bioxide
C
zinc monophosphate
D
zinc phosphate
2
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Based on the name, which substance is a covalent compound?

A
copper(II) chloride
B
chromium(III) sulfate
C
dinitrogen pentoxide
D
ammonium carbonate
3

Which formula correctly represents antinomy trichloride?

A
SnS2
B
SnCl3
C
SbCl2
D
SbCl3
4

Which is the correct formula for phosphorus pentachloride?

A
PCl4 because a subscript of 4 indicates four Cl atoms
B
PCl5 because a subscript of 5 indicates five Cl atoms
C
P5Cl because a subscript of 5 indicates five P atoms
D
P5Cl3 because a subscript of 5 indicates five P atoms
5

Which is the formula for nitrogen trihydride?

A
NH3
B
N3H
C
3NH
D
N3H3
6

Which is the IUPAC name for NO?

A
nitric oxide
B
binitrogen oxide
C
dinitrogen dioxide
D
nitrogen monoxide
7

Which is the correct name for P2O5?

A
phosphorus dioxide
B
phosphorus pentoxide
C
diphosphorus pentoxide
D
diphosphorus hexaoxide
8

Which rule is used for writing the name of an ionic base?

A
The chemical name begins with “hydro.”
B
The chemical name ends with “hydroxide.”
C
The “ide” ending is changed to “ic.”
D
The polyatomic “ate” ending is changed to “ic.”
9

Which substance is a binary acid?

A
hydrochloric acid
B
phosphoric acid
C
nitrous acid
D
sulfuric acid
10

Which prefix would appear in the IUPAC name for a covalent compound that has four atoms of a single element?

A
tri-
B
di-
C
tetra-
D
mono-

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