EXERCISE 4-2 Formulas of Compounds (select correct formula)
Click on the correct answer
1
calcium nitrate
CaNO
3
Ca(NO
3
)
2
Ca(NO
2
)
2
Ca
2
(NO
3
)
3
None of the previous answers.
2
sodium phosphate
NaPO
4
Na
3
PO
3
Na
2
PO
4
Na
3
PO
4
None of the previous answers.
3
ammonium carbonate
NH
4
CO
3
NH
3
CO
3
(NH
4
)
2
(CO
3
)
3
(NH
4
)
2
C
2
O
4
None of the previous answers.
4
aluminum sulfide
AlS
3
Al
3
S
2
Al
2
S
3
Al
2
(SO
3
)
3
None of the previous answers.
5
magnesium sulfate
MgSO
4
Mg(SO
4
)
2
MgSO
3
Mg
2
(SO
4
)
3
None of the previous answers.
6
iron(III) chloride
FeCl
2
Fe
2
Cl
3
Fe
3
Cl
FeCl
3
None of the previous answers.
7
silver acetate
Ag
2
C
2
H
3
O
2
Ag
2
CO
3
Ag(C
2
H
3
O
2
)
2
AgC
2
H
3
O
2
None of the previous answers.
8
tin(IV) oxide
SnO
2
SnO
SnO
4
Sn
2
O
3
None of the previous answers.
9
copper(II) hydroxide
Cu(OH)
3
CuOH
Cu(OH)
2
Cu
2
OH
None of the previous answers.
10
nitric acid
HNO
2
HNO
3
H
2
NO
3
HNO
4
None of the previous answers.
11
sulfur trioxide
S
2
O
3
SO
3
2-
SO
3
SO
4
2-
None of the previous answers.
12
zinc chlorate
ZnClO
3
Zn(ClO
3
)
2
Zn(ClO
2
)
2
Zn
2
(ClO
3
)
3
None of the previous answers.
13
hydrochloric acid
HClO
3
H
2
Cl
HClO
2
HCl
None of the previous answers.
14
potassium bicarbonate
KHCO
3
K(CO
3
)
2
K
2
HCO
3
K
2
C
2
O
4
None of the previous answers.
15
sulfuric acid
HSO
3
H
2
SO
3
H
2
SO
4
H
2
S
None of the previous answers.
16
nitrogen dioxide
NO
2
NO
2
-
N
2
O
N
3
O
2
None of the previous answers.
17
mercury(I) sulfate
HgSO
3
Hg
2
SO
3
Ag
2
SO
4
HgSO
4
None of the previous answers.
18
lead(II) chromate
PbCr
2
O
7
PbCrO
3
PbCrO
4
Pb
2
(CrO
4
)
3
None of the previous answers.
19
magnesium phosphate
MgPO
4
Mg
3
(PO
3
)
2
Mg
2
(PO
3
)
3
Mg
3
(PO
4
)
2
None of the previous answers.
20
sodium nitrite
Na
2
NO
3
NaNO
3
NaNO
2
Na
3
(NO
3
)
2
None of the previous answers.
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