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WorksheetsIonic and molecular formulas and naming
Total questions: 76
Worksheet time: 6hrs 3mins
Name
Class
Date
1.
ammonium phosphate
a)
(NH4)3PO4
b)
NPO4
c)
NH4PO4
d)
NH4(PO4)3
2.
zinc fluoride
a)
ZnF2
b)
ZnF
c)
Zn2F
d)
Zn2F4
3.
aluminum sulfite
a)
Al2(SO3)3
b)
Al2(SO4)3
c)
AlSO3
d)
Al3(SO3)2
4.
sliver phosphide
a)
Ag3P
b)
Ag3PO4
c)
Ag3PO3
d)
AgP
5.
Ca(CN)2
a)
Calcium Cyanide
b)
Calcium Dicyanide
c)
Calcium Dicarbon Dinitrogen
d)
Calcium Thiocyanate
6.
Sr(OH)2
a)
Strontium Hydroxide
b)
Strontium Hydride
c)
Strontium Dihydroxide
d)
Strontium Dioxygen Dihydride
7.
Na2S
a)
Sodium Sulfide
b)
Sodium Sulfate
c)
Sodium Sulfite
d)
Disodium Sulfide
8.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
9.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
10.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
11.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
12.
Name this compound:
NaBr
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
13.
Write the formula for copper(I) phosphide
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
14.
Name this compound:
NH4F
NH4F
a)
Ammonia fluoride
b)
Ammonium fluorite
c)
Ammonia fluorate
d)
Ammonium fluoride
15.
Name this compound:
Ca2CO3
Ca2CO3
a)
Calcium carbon oxide
b)
Calcium(II) carbonate
c)
Calcium carbonate
d)
Carbonate(I) calcide
16.
Name this compound:
NiPO4
NiPO4
a)
Nickel (I) phosphate
b)
Nickel (II) phosphate
c)
Nickel (IV) phosphate
d)
Nickel (III) phosphate
17.
Name this compound:
KF
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside
d)
Potassium fluorate
18.
Write the formula for vanadium (IV) carbonate
a)
V(CO3)2
b)
V4C
c)
V(CO3)4
d)
V4(CO3)
19.
The chemical formula of magnesium hydroxide is
a)
MgOH₂
b)
Mg(OH)₂
c)
Mg(OH)
d)
MgH₂
20.
Which of the following is an ionic compound:
a)
CH4
b)
I2
c)
LiBr2
d)
CO
21.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
22.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
23.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium nitrogen oxide
24.
Name the following compound: FeCl3
a)
iron chloride
b)
iron III chloride
c)
iron II chloride
d)
iron III chlorate
25.
When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..
a)
atomic number
b)
mass number
c)
charge
d)
ionization energy
26.
The formula for Magnesium phosphide is:
a)
MgP2
b)
MgP
c)
Mg2P3
d)
Mg3P2
27.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
28.
What is the name of Ca(NO3)2
a)
calcium nitrite
b)
calcium II nitrate
c)
calcium nitrate
d)
calcium nitride
29.
Name the following ionic compound: Cr(NO3)3
a)
chromium III nitride
b)
chromium II nitride
c)
chromium II nitrate
d)
chromium III nitrate
30.
The formula of calcium phosphate is
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
31.
In the formula of calciumphosphate , calcium is the ...
a)
nonmetal
b)
metalloid
c)
anion
d)
cation
32.
What is the charge on an Aluminium ion?
a)
3
b)
+3
c)
+2
d)
+1
33.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
34.
What is the charge of Neon?
a)
0
b)
+1
c)
-1
d)
1
35.
A(n) _________ is an ion with a positive (+) charge.
a)
anion
b)
cation
c)
nonmetal
d)
solute
36.
How many valence electrons does calcium have?
a)
2
b)
4
c)
6
d)
7
37.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
38.
A charged particle that has gained at least one electron is called a(n) _____.
a)
Anion
b)
Cation
c)
Anonion
d)
Metalloid
39.
Nitrogen will ____ electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
40.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
41.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
42.
Name this compound:
KF
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside
d)
Potassium fluorate
43.
The chemical formula of carbon tetrachloride is
a)
CCl
b)
C₄Cl
c)
CCl₄
d)
C(IV)Cl
44.
carbon monoxide
a)
CO
b)
CO2
c)
C2O
d)
COH
45.
How many Oxygen atoms are in H2O?
a)
1
b)
2
c)
0
d)
4
46.
What is krypton?
a)
element
b)
compound
c)
mixture
47.
Classify:
sulfur dioxide, SO2
sulfur dioxide, SO2
a)
ionic compound
b)
molecular compound
c)
metallic element
d)
non-metallic element
48.
What types of elements combine to form a molecular compound?
a)
two or more metals
b)
two or more different nonmetals
c)
a metal and a non-metal
d)
two of the same nonmetal
49.
The chemical formula of dinitrogen textroxide is
a)
Ni₂O₄
b)
NiO
c)
N₂O₄
d)
NiO₂
50.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
51.
What is the correct formula for potassium oxide?
a)
KO2
b)
KO
c)
K2O
d)
OK2
52.
What is the correct name for SrF2?
a)
fluoride strontium
b)
strontium fluorine
c)
strontium diflluoride
d)
strontium fluoride
53.
What is the correct name for CrO?
a)
chromium monoxide
b)
chromium(I) oxide
c)
chromium(II) oxide
d)
chromium oxide
54.
What is the correct name for (NH4)2CO3?
a)
diammonium carbonate
b)
nitrogen hydrogen carbon oxide
c)
ammonium carbonate
d)
ammonium carbide
55.
Sliver Phosphide
a)
Ag3P
b)
Ag3PO4
c)
Ag3PO3
d)
AgP
56.
Li2Cr2O7
a)
Lithium Dichromate
b)
Lithium Chromate
c)
Dilithium Dichromate
d)
Dilithium Dichromium Heptoxide
57.
Cu3PO4
a)
Copper I Phosphate
b)
Copper II Phosphate
c)
Copper Phosphide
d)
Copper I Phosphite
58.
What is the charge of Ni in NiBr3?
a)
+2
b)
+3
c)
-3
d)
+6
59.
Magnesium ion would take a charge of
a)
1+
b)
2+
c)
3+
d)
0
60.
In the compound TiO2, titanium has a charge of
a)
4+
b)
2+
c)
2-
d)
4-
61.
What is the ionic compound formed between Ca and Br?
a)
CaBr
b)
CaBr2
c)
Ca2Br
d)
Ca2Br
62.
What is the best definition for subscript?
a)
The big number that tells you the number of molecules.
b)
The atomic number
c)
The little number that tells the number of atoms for each element.
63.
What is the best definition for molecule?
a)
A molecule is formed when two or more atoms join together chemically.
b)
A molecule is made of only one atom.
64.
What is the total number of atoms in this molecule?
a)
2
b)
4
c)
1
d)
6
65.
CsCl
a)
Monocesium monochloride
b)
Cesium monochloride
c)
Cesium Chloride
66.
Oxygen anions have a -2 charge. Copper cations have either a +1 or +2 charge. What charge does copper have in the formula unit Cu2O? (remember that formula units are neutral).
a)
+1
b)
+2
c)
Neither, this compound is impossible.
d)
Both, charges don't matter in ionic compounds.
67.
What would be the proper chemical formula for combining Al3+ and Cl- :
a)
AlCl3
b)
Al3Cl
c)
AlCl
d)
Al3Cl3
68.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
69.
Name this formula:
K3N
K3N
a)
Potassium (III) Nitride
b)
Potassium Nitride
c)
Potassium (I) Nitride
d)
Nitrogen Potaside
70.
When naming ionic compounds, the cation is always named first and the anion is always named second.
a)
False
b)
True
71.
Na+ represents a
a)
sodium atom
b)
naval ion
c)
potassium ion
d)
sodium ion
72.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
73.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
74.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
75.
phosphorous trichloride
a)
PhCl3
b)
PCl3
c)
PCl4
d)
PhCl4
76.
Which Ionic Compound is incorrect?
a)
MgO
b)
NaCl
c)
KO
d)
BeS
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