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WorksheetsChemical Formulas and Names
Total questions: 53
Worksheet time: 2hrs 51mins
Name
Class
Date
1.
Ionic compounds are written with
a)
cation (+ ion) first then anion (- ion)
b)
anion (- ion) first then cation (+ ion)
c)
either way is fine
d)
polyatomic ions first
2.
Ba+2, Br-1
a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
3.
Ca+2, O-2
a)
CaO
b)
OCa
c)
Ca-2O+2
d)
Ca2O2
4.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
5.
K+, O-2
a)
KO
b)
K2O
c)
K-2O2
d)
O2K
6.
The correct chemical formula for magnesium phosphide is
a)
MgP
b)
Mg₂P₃
c)
Mg₃P₂
d)
Mg₃(PO₄)₂
7.
The name of FeCl₂ is
a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
8.
What is the correct formula for acetic acid?
a)
HA
b)
H₃C₂O₂
c)
HC₂H₃O₂
d)
H₂CO₃
9.
The correct name of Cu₃N₂ is
a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
10.
What is the correct name for HClO?
a)
Hypochlorous acid
b)
Hydrochloric acid
c)
Hydrogen Chlorate
d)
Hydrochloroxy acid
11.
When adding a subscript to a polyatomic ion, you should...
a)
multiply any subscripts on the polyatomic ion by the subscript you are adding
b)
put parentheses around the polyatomic ion before adding a subscript
c)
write the new subscript next to any subscripts on the polyatomic ion
d)
put the polyatomic ion in square brackets before adding the subscript
12.
What is the correct name for HBr?
a)
Bromic acid
b)
Hydrobromic acid
c)
Hydrogen bromate
d)
Hypobromic acid
13.
What do atoms of metals tend to do with their valence electrons when bonding with non-metals?
a)
share them
b)
donate them
c)
keep them and accept others
d)
keep them and give others
14.
What is the correct name for P₃Cl₆?
a)
Potassium chloride
b)
Phosphorous chloride
c)
Triphosphorous hexachloride
d)
Tetraphosphorous heptachloride
15.
What is the correct name for MgI₂?
a)
Manganese IV iodide
b)
Manganese diiodide
c)
Magnesium iodide
d)
Magnesium diiodide
16.
The correct name of Mg₃N₂ is
a)
manganese nitride
b)
magnesium nitride
c)
magnesium (III) nitride
d)
trimagnesium dinitride
17.
What is the correct formula for carbonic acid?
a)
H₂C
b)
H₂CO₃
c)
HCO₃
d)
HClO
18.
What is the correct formula for hydrochloric acid?
a)
HClO
b)
ClO₃
c)
HCl
d)
HCO₃
19.
What is the correct formula for dinitrogen tetroxide?
a)
N₃O₃
b)
(N₂)₂(O₄)₃
c)
N₂O₄
d)
N₄O₂
20.
What is the correct formula for phosphorous trichloride?
a)
P₃Cl
b)
PCl₃
c)
KCl₃
d)
K₃Cl
21.
What is the correct formula for aluminum phosphide?
a)
Al₃P₃
b)
AlP
c)
AlPO₄
d)
AlPO₃
22.
What is the correct formula for dichlorine monoxide?
a)
Co₃O
b)
ClO₂
c)
Cl₂O
d)
(Cl₂)₂O
23.
What is the correct name for SO₂?
a)
Sulfur oxide
b)
Sulfite
c)
Sulfur dioxide
d)
Sulfur II Oxide
24.
What is the correct formula for carbon dioxide?
a)
C2O2
b)
C20
c)
CO
d)
CO2
25.
What is the correct name for CCl4?
a)
carbon tetrachloride
b)
monocarbon tetrachloride
c)
tetracarbon monochloride
d)
carbon chloride
26.
The chemical formula for an ionic compound of aluminum and chlorine is
a)
AlCl.
b)
ClAl.
c)
AlCl3.
d)
Al3Cl.
27.
If the polyatomic anion of an acid ends in "-ate", the suffix of the acid name should be...
a)
-ic
b)
-ous
c)
-ate
d)
-ide
28.
Which of the following is a covalent compound?
a)
CH4
b)
NaCl
c)
K3PO4
d)
Zn(OH)
29.
True or false: When naming ionic compounds, use prefixes to indicate subscripts
a)
True
b)
False
30.
Roman numerals tell you the ____ of the metal cation(s) in an ionic compound.
a)
number
b)
mass
c)
type
d)
charge
31.
Ionic compounds must have...
a)
a metal and a polyatomic ion
b)
a cation and an anion
c)
only nonmetals
d)
only metals
32.
What is the name of " NO21- "?
a)
nitrogen dioxide
b)
nitrate
c)
nitrite
d)
nitrogen (II) oxide
33.
Are you ready for your test this week?
a)
Yes! I will make at least a 90.
b)
Yes! I will make at least an 80.
c)
Sort of! I will make at least a 70.
d)
Eh. I will make at least a 60.
34.
potassium hydroxide
a)
KH
b)
KOH
c)
K2OH
d)
K(OH)2
35.
calcium phosphate
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
36.
zinc sulfate
a)
ZnSO3
b)
ZnSO4
c)
ZnS
d)
Zn(SO4)2
37.
sodium nitride
a)
NaNO3
b)
NaN
c)
NaN3
d)
Na3N
38.
iron(II) oxide
a)
FeO
b)
FeO2
c)
Fe2O
d)
Fe2O2
39.
HNO2
a)
hydronitrogen
b)
hydrogen nitrogen oxygen
c)
nitrous acid
40.
HI
a)
hydrogen iodine
b)
hydroiodic acid
c)
iodic acid
d)
iodous acid
41.
H2SO4
a)
hydrosulfuric acid
b)
sulfuric acid
c)
sulfurous acid
d)
hydrosulfurous acid
42.
Name this compound:
NH4F
NH4F
a)
Ammonia fluoride
b)
Ammonium fluorite
c)
Ammonia fluorate
d)
Ammonium fluoride
43.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
44.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
45.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
46.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
47.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
48.
The name of P₄S₁₀ is
a)
phosphorous sulfide
b)
phosphorus sulfide
c)
tetraphosphorus decasulfide
d)
phosphorus (X) sulfide
49.
The chemical formula of tetraphosphorus heptaoxide is
a)
F₄O₁₀
b)
P₄O7
c)
PO
d)
P₁₀O₄
50.
What is the formula for Carbonic Acid?
a)
H2CO3
b)
H2CrO4
c)
H2C2O4
d)
HCO3
51.
What is the formula for Chromic Acid?
a)
H3CrO4
b)
H2CrO4
c)
H3Cr2O7
d)
HCrO4
52.
CH3COOH
a)
Acetic acid
b)
Ethanoic acid
c)
Acenous acid
d)
Hydroacetic acid
53.
H2C2O4
a)
carbonic acid
b)
chromic acid
c)
chloric acid
d)
oxalic acid
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