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Writing Compound Formulas Review
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The formula of ammonium oxalate is:
?
(NH
4
)
2
O
2
?
(NH
4
)
2
C
2
O
4
?
NH
4
C
2
O
4
?
NH
4
(C
2
O
4
)
2
?
(NH
3
)
2
C
2
O
4
Which of the following pairs is incorrect:
?
chlorite = ClO
3
-
?
permanganate = MnO
4
-
?
cyanide = CN
-
?
carbonate = CO
3
2-
?
phosphate = PO
4
3-
The correct name for the compound P
2
O
5
is:
?
diphosphite
?
phosphorous pentoxide
?
diphosphorous pentoxide
?
diphosphide pentoxide
?
diphosphorous peroxide
The correct formula for aluminum dichromate is:
?
Al
3
(Cr
2
O
7
)
2
?
(Al)
2
(Cr
2
O
7
)
3
?
Al
2
(Cr
2
O
8
)
3
?
Al
2
(CrO
7
)
3
?
Al
2
(Cr
2
O
7
)
3
Which of the following pairings is incorrect?
?
sulfite = SO
3
2-
?
bicarbonate = HCO
3
-
?
hydrogen carbonate = HCO
3
-
?
thiocyanate = NCS
2-
?
mercury(I) = Hg
2
2+
The formula of the bromate ion is:
?
BrO
3
2-
?
BrO
3
-
?
Br
2
O
3
2-
?
BrO
4
-
?
BrO
4
2-
The compound NaC
2
H
3
O
2
is called:
?
sodium oxalate
?
sodium(I) acetate
?
sodium monacetate
?
sodium acetate
?
monosodium acetate
The compound SO
3
is called:
?
sulfite
?
sulfur trioxide
?
monosulfur trioxide
?
monosulfide trioxide
?
monosulfide trioxygen
Which of the following pairings is incorrect?
?
sulfurous acid = H
2
SO
3
?
hypochlorous acid = HClO
?
hydrochloric acid = HClO
3
?
nitric acid = HNO
3
?
bromic acid = HBrO
3
What is the formula for magnesium selenate?
?
MgSeO
3
?
MgS
?
Mg(SeO
4
)
2
?
MgSeO
4
?
MgSe
2
O
3
Fe(OH)
3
is:
?
iron(III) hydroxide
?
iron(II) hydroxide
?
iron hydrogen oxide
?
iron(III) peroxide
?
iron hydroxide
The H
2
PO
4
-
is the:
?
biphosphate ion
?
phosphate ion
?
hydrogen phosphate ion
?
dihydrogen phosphate ion
?
phosphide ion
SnO
2
could be called:
?
Tin(IV) oxide
?
Tin(II) peroxide
?
Tin(IV) oxide
?
Two of these are possible
?
None of these are correct
How many oxygen atoms are in one formula unit of the compound chromium(III) sulfate?
?
4
?
8
?
12
?
16
?
None of these
PCl
3
is:
?
phosphorous(III) chloride
?
phosphorous chloride
?
potassium chloride
?
monophosphorous trichloride
?
phosphorous trichloride
The compound Na
2
O
2
is:
?
sodium oxide
?
disodium dioxide
?
sodium dioxide
?
sodium peroxide
?
disodium peroxide
NO
2
is known as:
?
nitrite
?
nitrogen dioxide
?
nitrogen peroxide
?
mononitrogen peroxide
?
oxygen nitride
Aqueous H
2
CrO
4
is called:
?
hydrogen chromate
?
chromous acid
?
dihydrogen chromate
?
chromic acid
?
hydrochromic acid
Aqueous HI is:
?
hydriodic acid
?
iodic acid
?
hydrogen iodide
?
iodous acid
?
iodinic acid
In a compound that has the formula A
2
Z
3
, A and Z could not be:
aluminum and sulfate, respectively
chromium(III) and oxide, respectively
iron(II) and oxalate, respectively
nitride and sulfide, respectively
silver and peroxide, respectively</OL
?
one of these
?
two of these
?
three of these
?
four of these
?
all five of these
OK
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