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WorksheetsUnit 8: Formulas, Oxidation Numbers, Nomenclature
Total questions: 86
Worksheet time: 2hrs 31mins
Name
Class
Date
1.
Which acids start with the prefix hydro- ?
a)
Binary
b)
Oxyacids
2.
If you have an oxyacid and it contains an -ate polyatomic ion, then acid's ending will change to _____.
a)
-ic
b)
-ous
c)
-ite
3.
If you have an oxyacid and it contains an -ite polyatomic ion, then acid's ending will change to _____.
a)
-ic
b)
-ous
c)
hydro-root-ic acid
d)
-ate
4.
The name of a binary acid (has no polyatomic ions)
a)
begins with the prefix hydro-
b)
begins with the prefix bi-
c)
has no prefix
d)
ends with the suffix -ous
5.
What element do all acids contain?
a)
H
b)
O
c)
C
d)
He
6.
Molecular compounds contain
a)
1 metal and 1 nonmetal
b)
only metals
c)
only nonmetals
d)
more than 2 elements (either metal or nonmetal)
7.
carbonic acid
a)
H2CO3
b)
H2CrO4
c)
H2C2O4
d)
HCO3
8.
chlorous acid
a)
HClO3
b)
HClO2
c)
HClO
d)
HCl
9.
HI
a)
iodic acid
b)
hydroiodic acid
c)
iodous acid
d)
hypoiodous acid
10.
H2SO3
a)
sulfuric acid
b)
hydrosulfuric acid
c)
sulfurous acid
d)
persulfuric acid
11.
HF
a)
flouric acid
b)
hydrofluoric acid
c)
fluorate acid
d)
hydrogen fluoridic acid
12.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
13.
Name the acid: H2SO3
a)
Sulfurous Acid
b)
Sulfuric Acid
c)
Hydrosulfuric Acid
d)
Hydrosulfurous Acid
14.
What is the formula for perchloric acid?
a)
H3ClO3
b)
H3ClO4
c)
HClO3
d)
HClO4
15.
What is the formula for sulfuric acid?
a)
HSO3
b)
H2SO3
c)
H2SO4
d)
H3SO4
16.
What is the formula for nitric acid?
a)
HNO2
b)
HNO3
c)
HNO4
d)
H2NO3
17.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
18.
What is the formula for phosphorous acid?
a)
H3PO4
b)
H2PO4
c)
H3P
d)
H3PO3
19.
H2SO3
a)
sulfuric acid
b)
hydrosulfuric acid
c)
sulfurous acid
d)
persulfuric acid
20.
Which is the correct formula for sodium chloride?
a)
SoCl
b)
SdCl
c)
NaCl
d)
NaCl2
21.
What is the correct name for CaBr2?
a)
calcium dibromide
b)
calcium bromine (II)
c)
calcium (II) bromide
d)
calcium bromide
22.
Which is the correct formula for iron (II) oxide?
a)
FeO
b)
Fe2O
c)
FeO2
d)
Fe2O4
23.
What is the correct name for CuCl2?
a)
copper chloride
b)
copper chloride (II)
c)
copper (II) chloride
d)
copper dichloride
24.
Which is the correct formula for aluminum oxide?
a)
AlO
b)
AlO2
c)
Al2O3
d)
Al3O2
25.
Which is the correct formula for radium telluride?
a)
RnTe
b)
RaTe
c)
Ra2+Te2-
d)
Ra2Te2
26.
What is the correct name for TiO2?
a)
titanium oxide
b)
titanium (II) oxide
c)
titanium dioxide
d)
titanium (IV) oxide
27.
What is the correct name for ZnCl2?
a)
zinc chloride
b)
zinc dichloride
c)
zinc (II) chloride
d)
chlorine(II) zincide
28.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
29.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
30.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
31.
Name the following ionic compound: Cr(NO2)3
a)
chromium nitrite
b)
chromium nitride
c)
chromium (III) nitride
d)
chromium (III) nitrite
32.
Name the following compound: FeCl3
a)
iron chloride
b)
iron (III) chloride
c)
iron chlorate
d)
iron (III) chlorate
33.
What is the charge on the hydroxide ion?
a)
0
b)
-1
c)
-2
d)
-3
34.
copper(II) chloride
a)
CuCl2
b)
CuCl
c)
Cu2Cl
d)
Cu2Cl2
35.
Which of these combinations is an ionic compound made of?
a)
Metal and Metal
b)
Nonmetal and Nonmetal
c)
Metal and Nonmetal
d)
Cation and Cation
36.
Name the ionic compound SnSe2
a)
Tin diselenide
b)
Tin (IV) Selenide
c)
Tin selenide
d)
Tin (II) triselenide
37.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
38.
NH4Cl
a)
ammonium chloride
b)
ammonium chlorine
c)
nitrogen hydrogen chloride
d)
nitrogen chloride
39.
magnesium carbonate
a)
Mg2C
b)
Mg2CO4
c)
Mg2(CO3)2
d)
MgCO3
40.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
41.
BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine trioxide
d)
bromine (III) oxide
42.
BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine dioxide
d)
bromine (VI) oxide
43.
carbon monoxide
a)
CO
b)
CO2
c)
C2O
d)
COH
44.
Phosphorous trichloride
a)
PCl3
b)
P3Cl
c)
P3Cl3
d)
PCL
45.
PBr5
a)
Phosphorus Bromide
b)
Phosphorus Pentabromide
c)
Pentaphosphorus bromide
d)
Phosphorus Bromine
46.
What is the OFFICIAL name for H2O
a)
Hydrogen Oxide
b)
Oxygen Dinitride
c)
Agua
d)
Dihydrogen Monoxide
47.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
48.
What's the formula for chlorine dioxide
a)
ClO2
b)
CLO
c)
ClO3
d)
HClO2
49.
Which is the correct formula for dinitrogen monoxide?
a)
H2O
b)
NO2
c)
N2O
d)
N2O2
50.
What is the correct name for this formula; BeI2?
a)
beryllium (II) iodide
b)
beryllium diiodide
c)
beryllium iodine
d)
beryllium iodide
51.
Which is the correct formula for copper (I) sulfide?
a)
CuS2
b)
Cu2S
c)
CuS
d)
Cu2Si
52.
Name the following compound; KF
a)
copper fluorine
b)
copper (I) fluoride
c)
copper fluoride
d)
potassium fluoride
53.
Which is the correct formula for dinitrogen monoxide?
a)
H2O
b)
NO2
c)
N2O
d)
N2O2
54.
CaCO3 is called...
a)
calcium carbonate
b)
calcium carbon oxide
c)
calcium monocarbonate
d)
calcium (II) carbonate
55.
Which of the following is a covalent compound?
a)
CH4
b)
NaCl
c)
K3PO4
d)
Zn(OH)
56.
How would you say HBr?
a)
hydrobromic acid
b)
hydrogen bromide
c)
monohydrogen bromide
d)
hydrogen (I) bromide
57.
potassium iodide
a)
KI
b)
KI2
c)
K2I
d)
KI3
58.
sodium bicarbonate
a)
NaHCO3
b)
NaCO3
c)
NaCO2
d)
NaC
59.
What is the formula for antimony (III) nitride?
a)
AnN3
b)
Sb3N
c)
SbN
d)
AnN
60.
What is the formula for Lithium hydroxide?
a)
LiH
b)
LiOH
c)
HLi
d)
Li2O
61.
When naming a binary ionic compound, which order is the name written in?
a)
cation + anion
b)
anion + anion
c)
anion + cation
d)
cation + cation
62.
What is the charge for an ion in group 1?
a)
+1
b)
-7
c)
-1
d)
+7
63.
What is the charge of an ion in group 2?
a)
+2
b)
-6
c)
-2
d)
+6
64.
What is the charge of an ion in group 13?
a)
+3
b)
-3
c)
-5
d)
+5
65.
What is the charge of the cobalt(IV) ion?
a)
+4
b)
-4
c)
+6
d)
+5
66.
What is the charge of the iron(III) ion?
a)
+3
b)
-3
c)
+2
d)
+1
67.
What is oxidation number of H in H2O?
a)
0
b)
-2
c)
-1
d)
+1
68.
What is oxidation number of Cr in Cr2O72-?
a)
-2
b)
+2
c)
+6
d)
+12
69.
What is oxidation number of P in K3PO4?
a)
+1
b)
+5
c)
-2
d)
0
70.
What is oxidation number of H in CaH2?
a)
+1
b)
-1
c)
0
d)
+2
71.
What is oxidation number of Fe in FeO ?
a)
+2
b)
-2
c)
0
d)
+1
72.
What is oxidation number of Ca in CaCl2 ?
a)
-1
b)
-2
c)
+1
d)
+2
73.
What is oxidation number of O in O2 ?
a)
0
b)
-2
c)
+1
d)
+2
74.
What is oxidation number of O in H2O2 ?
a)
-2
b)
-1/2
c)
+1
d)
-1
75.
What is oxidation number of Na in Na+ ?
a)
0
b)
+1/2
c)
+1
d)
-1
76.
What is oxidation number of Mn in MnO2 ?
a)
0
b)
+2
c)
-2
d)
+4
77.
What is the oxidation number of Fe in FeO?
a)
+1
b)
-1
c)
+2
d)
-2
78.
What is the oxidation number of O in CO2?
a)
+2
b)
-1
c)
+4
d)
-2
79.
What is the oxidation number of N in NO2-1?
a)
-3
b)
+4
c)
-2
d)
+3
80.
The sum of all oxidation numbers in a neutral compound is ___.
a)
0
b)
1
c)
-1
d)
depends on the compound
81.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
82.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
83.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
84.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
85.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
86.
What does a chemical formula tell us?
a)
the symbol of the elements and a subscript to tell how many of each type of atom or ion
b)
the symbol of the elements only
c)
the subscript to tell us the number of each atom and ion
d)
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