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Unit s Practice Test: Narning and Formula Writing
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c l) Anexampleofab?rycompoundis
Q
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B) amrnoniumchloride
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C) potassi'iun chloride
D) arnrnonium chlorate
A) potassium chlorate
In the parhcle diagrams below, O represents an atom of rutrogen and 0 represents an atom of oxygen.
U
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(A)
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e
a0
S
T
(D)
"(C) pl
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t=J.o
-2-
Wl?ch diagram best represents the compound nitrogen (I) oxide?
In the particle
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A) A
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(A)
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(r)
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(C)
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s
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Which diagram best represents the compound sulfur (VI) oxide?
A) A
B) B
C) C
?.a
D) D
What is the chemical formula for mercury (I) chloride?
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%-
A) Hg2Cl
B) HgzCl=i
D) Hg2Cl2
C) HgCl2
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What is the chemical fornnula for nitrogen (I) oxide?
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r
- 6)
D) Fe302
C) SO2
D) Na02
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B) Na20
B>
What is the formula for potassium hydride?
C) K(OH)2
A) KH
.1
D) KHz
B) KOH
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k?
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What is the formula for magnesiutn sulfi4e?
A) Md03
- 10)
C) Ee03
What is the correct formula for sodium oxide?
A) S20
- 9)
D) N204
N,O
2'
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B) Fe203
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.(;>)
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What is the correct chemical formula for #on (III) oxide?
A) Fe,,O
a 7)
.-?'a'%
B) NO
A) NO2
B5 mgs=
C) MgSO3
D) MnS
What is the fornnula for nitrogen (IV) oxide?
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A) NO3
C) NO4
B) NO
t
p).NO2
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Which formula is correctly paired with its name?
lM?
MgCl2 - magnesium chlorine if MJC.
A) CuCl2 - copper (II) chloride
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K20 - phosphorus, dioxide
lJ#
' B) FeO - iron (HJ) oxide
7)12)
Whatis'theforrr-'iaforthecompoundthatforrnswhenmagnes;uibondswith'phosffihpffi'4??., '
0
-13)
14)
-.?'a?;
' C) , lead (IV) oxide
D) lead (III) oxide
A) lead (II) oxide
B) lead (I) oxide
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If 0 represents an atom of carbon and (f:), r?epresents ,an atom of fluorine, which particle diagram
correctly represents a molecule of carbon (IV) fluoride?
A)
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B)
0 i,%, %%,
X
'ir
k
LILJ
D)
4X
414
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What is the correct name for the compound with the formula CrPO4'?
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A
- 17)
C) chromiutn (II) phosphide
D) chromium (II) phosphate
chromiiun (III) phosphate
B) chromium (III) phosphide
J?' l
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What is the fom'iula for sodium thiosulfate? a
Qo,s,g
A) Na2S203
B) Na2S204
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C) Na2SO3
D) Na2SO4
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What is the chemical formula for copper (II) chlorate?.
C ) C u2 C 10 3
A) CuClz
.D), CJCl03)2
B) CuzCl
#o
?1
If
19)
Which fon'nula correctly represents the compound calciiun hydroxide?
C) CaOH
A) Ca20H
B)
?20)
C a (O IH) 2
-[
-pl
JiC a O Hz
What is the formula for ammonium carbonate?
C) (JNH4)2(CO3)2
A) NH4(CO3)2
I?
(,21)
'D) (N?=i):?co.i
l
B) NH4CO3
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. What is the fom?ula for sodium perchlorate?
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A) NaClO:>
" .' C ) N a C 10 ,i
O
B) NaClO
D) NaClO?,
'- 22)
In a sample of solid Ba(NO?,),,, the ratio of barium ions to nitrate ions is
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Th
-24)
A) 1:3
rsz
rB),
1:2
C) 1:6
D) l:l
c) so<z-
D) .so,,z-
The correct formula for the ffi.ion is ' -- --A) S203a-
B) SCN-
What is the name of the compound whose formula is H2SO4? ..
A) sulfurous acid
B) hydrosulfurous acid
C) sulfuric acid
D) hydrosulfuric acid