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WorksheetsReview of Naming and Writing Chemical Formulas
Total questions: 40
Worksheet time: 1hrs 28mins
Name
Class
Date
1.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
2.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
3.
What is the formula for manganese(III) oxide?
a)
MgO
b)
Mg2O3
c)
MnO
d)
Mn2O3
4.
The formula of calcium phosphate is
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
5.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
6.
Name the following ionic compound: Cr(NO2)3
a)
chromium nitrite
b)
chromium nitride
c)
chromium III nitride
d)
chromium III nitrite
7.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
8.
What is the name of CO
a)
Carbon oxide
b)
Carbon dioxide
c)
Carbon monoxide
d)
Carbon II oxide
9.
The correct name of Cu₃N₂ is
a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
10.
Roman numerals tell you the ____ of the metal cation(s) in an ionic compound.
a)
number
b)
mass
c)
type
d)
charge
11.
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
12.
The first step in naming an ionic compound is always...
a)
Naming the anion (non-metal)
b)
Changing the ending to -ide
c)
Naming the cation (metal)
d)
Writing the cation charge
13.
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
14.
Which of the following combinations would need roman numerals in the name?
a)
potassium + fluorine
b)
beryllium + oxygen
c)
boron + iodine
d)
titanium + oxygen
15.
When naming compounds that contain a nonmetal bonded to a nonmetal, _____ must be used.
a)
parenthesis
b)
Greek prefixes
c)
ionic charges
d)
Lewis structures
16.
In a chemical formula, the total positive charge and negative charge must add up to equal _____.
a)
0
b)
1
c)
2
d)
3
17.
How many atoms of oxygen are in a molecule of Ca3(PO4)2
a)
1
b)
2
c)
4
d)
8
18.
Ca+2, O-2
a)
CaO
b)
OCa
c)
Ca-2O+2
d)
Ca2O2
19.
Ba+2, Br-1
a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
20.
The name of FeCl₂ is
a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
21.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
22.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
23.
What is the charge on an Aluminium ion?
a)
3
b)
+3
c)
+2
d)
+1
24.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
25.
Which of the following compounds is NOT an ionic compound?
a)
NaCl
b)
NH3
c)
Fe2O3
d)
HCl
26.
What element's don't have oxidation numbers?
a)
alkali metals
b)
noble gases
c)
halogens
d)
alkaline earth metals
27.
What are oxidation numbers?
a)
Number of electrons in the outer most energy level
b)
Number of protons
c)
Electrons gained or lost in chemical bonding
d)
Number of neutrons gained or lost
28.
What is the oxidation number for Flourine (F)?
a)
+1
b)
-1
c)
17
d)
7
29.
Why don't Noble gases ( group 18) normally form chemical bonds?
a)
They have 2 valence electrons
b)
they have full outermost energy levels
c)
they have empty outer levels
d)
they have 8 protons.
30.
What bond is formed between a metal and a nonmetal?
a)
Covalent bond
b)
Ionic bond
31.
Cations are
a)
positive
b)
negative
c)
on the right side of the periodic table.
d)
nonmetals
32.
Is hydrogen considered a metal or a non-metal?
a)
metal
b)
nonmetal
c)
metalloid
d)
nothing at all!
33.
A negatively-charged ion that has gained electrons.
a)
atom
b)
cation
c)
anion
d)
electron
34.
Name this compound:
KF
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside
d)
Potassium fluorate
35.
What is the correct formula for Ammonium phosphate?
a)
NH4PO4
b)
NH43PO4
c)
(NH4)3PO4
d)
NH4(PO4)3
36.
What is the correct name of the compound Mg(NO3)2?
a)
Magnesium nitride
b)
Magnesium dinitrate
c)
Monomagnesium dinitrate
d)
Magnesium nitrate
37.
Nickel (II) sulfate is written as
a)
Ni4SO
b)
Ni(II)SO4
c)
NiSO4
d)
Ni(SO4)2
38.
Aluminum carbonate is written
a)
AlCO3
b)
Al(CO3)3
c)
Al2(CO3)3
d)
Al3(CO3)2
39.
What is the correct formula for dichlorine monoxide?
a)
Co₃O
b)
ClO₂
c)
Cl₂O
d)
(Cl₂)₂O
40.
What is the correct formula for carbon dioxide?
a)
C2O2
b)
C20
c)
CO
d)
CO2
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