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Ionic Bonding: Names & Formulas

Total questions: 69

Worksheet time: 1hrs 13mins

Name
Class
Date
1.
Ionic Bonding involves...
a)
The transfer of protons
b)

The transfer of neutrons 

c)
The transfer of electrons
d)

None of these

2.
The name of Ca₃(PO₄)₂ is
a)
calcium phosphide oxide
b)
calcium phosphate
c)
tricalcium diphosphate
d)

calcium(III) phosphate

3.

What is the formula for magnesium carbonate?

a)
MgCO3
b)
Mg(CO3)2
c)
Mg2CO6
d)
Mg2CO3
4.

The name of NH4F is

a)

Nitrogen hydrogen fluoride

b)
Ammonium Fluoride
c)
Ammonia Fluoride
d)
Nitrogen tetrahydride fluoride
5.

Name Na2S

a)
sodium (II) sulfide
b)
sodium sulfide
c)
disodium sulfide
d)
sodium sulfur
6.

What is the formula for calcium arsenide?

a)
Ca3As2
b)
CaAs2
c)
Ca3As
d)
Ca3Ar2
7.
What formula results when Fe+3 and CO3-2 ions bond?
a)
FeCO3
b)
Fe2CO3
c)
Fe2(CO3)3
d)
Fe3(CO3)2
8.

Name Cu(CN)2

a)

copper (I) cyanide

b)

copper carbon nitride

c)

carbon carbonate

d)

copper (II) cyanide

e)

copper (I) nitride

9.

Name (NH4)3PO4

a)

tetrammonium phosphate

b)

ammonium phosphate

c)

nitrogen hydrogen phosphate

d)

ammonia phosphide

e)

triammonium phosphate

10.

What is the correct formula for aluminum hydroxide?

a)

AlOH

b)

Al2(OH)3

c)

Al3(OH)2

d)

Al(OH)3

e)

Al(OH)2

11.

In the compound CoSO4, what is the charge on cobalt?

a)

+4

b)

+2

c)

+2

d)

-2

e)

-1

12.

Which of the following names/formula pairs is incorrect?

a)

Ca(NO3)2 Calcium nitrate

b)

Ni(OH)3 Nickel (III) hydroxide

c)

(NH4)2SO4 Ammonium sulfate

d)

Ba(CN)2 Barium (II) cyanide

e)

AgCl silver chloride

13.

Name KMnO4

a)

potassium (I) permanganate

b)

potassium manganese tetraoxide

c)

potassium manganese (I) oxide

d)

potassium permanganate

14.

Which formula/name pair is incorrect?

a)

FeSO4 iron (II) sulfate

b)

Fe2(SO3)3 iron (III) sulfite

c)

FeS iron (II) sulfide

d)

FeSO3 iron (II) sulfite

e)

Fe2(SO4)3 iron (III) sulfide

15.

What is the correct formula for ammonium phosphide?

a)

(NH4)3P

b)

(NH4)3PO4

c)

NH4PO4

d)

(NH4)2(PO4)3

16.

Name Ni2(SO4)3

a)

Nickel (I) sulfide

b)

Nickel (II) sulfate

c)

Nickel (III) sulfate

d)

Nickel (III) sulfite

17.

Name Fe2CO3

a)

iron (I) carbide

b)

iron (I) carbonate

c)

iron (II) carbonate

d)

iron (III) carbonate

18.

Name NaHCO3

a)

sodium bicarbonate

b)

sodium dicarbonate

c)

sodium (I) bicarbonate

d)

sodium (I) carbonate

19.

Which of the following formulas has the greatest number of fluoride ions?

a)

calcium fluoride

b)

sodium fluoride

c)

aluminum fluoride

d)

tin (IV) fluoride

e)

ammonium fluoride

20.

Name ScCl2

a)
sulfur dichloride
b)
scandium chloride
c)
scandium (II) chloride
d)
scandium dichloride
21.
Which formula correctly represents aluminum phosphate?
a)
AlPO4
b)
AlSO4
c)
AlP
d)
AlPO3
22.

What is the charge of the cation in copper (II) chloride?

a)
Cu2+
b)
Cu2-
c)

Cu1-

d)

Cu1+

23.

Name FeCrO4

a)
iron chromate
b)
iron dichromate
c)
iron (II) chromate
d)
Iron (II) dichromate
24.
CaCO3 is represented best by which name?
a)
calcium bicarbonate
b)
carbonic acid
c)
calcium carbon trioxide
d)
calcium carbonate
25.

Name NiSO4

a)
nickel (II) sulfate
b)
nickel (II) sulfite
c)
nickel (II) sulfide
d)
nickel sodium tetraoxide
26.

Name Ba(NO3)2

a)
Barium nitrate
b)
Barium nitrite
c)
Barium nitride
d)
barium dinitrate
27.

Which of the following could NOT form an ionic compound? Check all that apply.

a)

Li+ and Cl-

b)

F- and O2-

c)

Ba2+ and Ag+

d)

Mg2+ and S2-

28.

Which of the following could form an ionic compound? Check all that apply.

a)

Na+ and F-

b)

S2- and O2-

c)

Ca2+ and Fe3+

d)

Mg2+ and Cl-

29.

In an ionic bond, the ions are held together because...

a)

the positive nucleus of each ion attracts the other ion's negatively charged electrons

b)

the ions have opposite charges

c)

as the electron moved from one atom to another it pulled the atom along with it

d)

electrons are being shared

30.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
31.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
32.

Name CaBr2

a)

calcium bromine

b)

bromine calcium

c)

calcium bromide

d)

calcium bromate

33.

Which is the correct formula for aluminum sulfide?

a)

AlS

b)

Al3S2

c)

S3Al2

d)

Al2S3

34.

Which of the following is true for ionic bonding & ionic compounds?

a)

They must be made of ions with like charges.

b)

The negative ion must be written first.

c)

Compounds must have an overall charge of zero.

d)

They are made of metals and nonmetals.

e)

The positive ion must be written first.

35.

The formula for beryllium phosphide will contain (a)   phosphide ions.

36.

What is the charge of ion "X" in the formula XF3?

a)

+3

b)

-3

c)

+1

d)

-1

37.

What is the charge of ion "X" in CaX?

a)

+1

b)

-1

c)

+2

d)

-2

38.

Write the correct formula for an ionic compound formed from rubidium and sulfur ions.

a)
SRb2
b)
SRb
c)
Rb2S
d)
RbS2
39.

Write the formula for an ionic compound formed from barium and nitrogen ions.

a)
Ba2N3
b)
Ba3N2
c)
BaN
d)
BaN3
40.

Write the formula of an ionic compound made of barium and bromine ions.

a)
BrBa
b)
Br2Ba2
c)
BaBr2
d)
Br2Ba
41.

Write the formula of an ionic compound made of calcium and phosphorous ions.

a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
42.
The correct chemical formula for magnesium phosphide is
a)
MgP
b)
Mg₂P₃
c)
Mg₃P₂
d)
Mg₃(PO₄)₂
43.

Name FeCl₂

a)
iron chloride
b)
iron (II) chloride
c)
iron (I) chloride
d)
iron dichloride
44.

Name Cu₃N₂

a)
copper (III) nitride
b)
copper (II) nitride
c)
copper nitride
d)
tricopper dinitride
45.
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
46.
What is the correct name for MgI₂?
a)

magnesium(IV) iodide

b)

magnesium diiodide

c)
Magnesium iodide
d)

Magnesium(II) iodide

47.
Roman numerals tell you the ____ of the metal cation(s) in an ionic compound.
a)
number
b)
mass
c)
type
d)
charge
48.

What is the correct formula for potassium hydroxide?

a)

KH

b)

KOH

c)

K2OH

d)

K(OH)2

49.

What is the correct formula for calcium phosphate?

a)

CaPO4

b)

Ca2(PO4)3

c)

Ca3PO4

d)

Ca3(PO4)2

50.

Name Pb3PO4

a)

Lead (I) Phosphate

b)

Lead Phosphate

c)

Lead (III) Phosphate

d)

Lead Phosphide

51.

Name Cr(NO2)3

a)
chromium nitrite
b)
chromium nitride
c)

chromium(III) nitride

d)

chromium(III) nitrite

52.

Write the formula of an ionic compound of sodium and fluorine ions.

a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
53.

Write the formula of an ionic compound formed from chromium(III) and oxygen ions.      

a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
54.

Write the formula of an ionic compound formed from potassium and sulfur ions.

a)
KS
b)
K8S
c)
K6S3
d)
K2S
55.

Write the formula of an ionic compound made of aluminum and oxygen ions.

a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
56.
What is the formula for manganese(III) oxide?
a)
MgO
b)
Mg2O3
c)
MnO
d)
Mn2O3
57.
From the following ionic compounds, choose the name-formula pair that is not correctly matched.
a)
sodium sulfide  Na2S
b)
ammonium nitrate 
NH4NO3
c)
sodium sulfate 
Na2SO3
d)
calcium oxide  CaO
58.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
59.

Write the formula for an ionic compound made of copper(II) and hydroxide ions.

a)
CuOH2
b)
Cu2OH
c)
Cu(OH)2
d)
correct answer is not given
60.
The formula of calcium phosphate is 
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
61.
The chemical formula of Iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃
62.
The chemical compound for sodium phosphate would be:
a)
NaPO4
b)
Na2PO4
c)
Na3PO4
d)
Na(PO4)3
63.

Name MgSO4

a)

magnesium sulfoxide

b)

magnesium sulfide

c)

magnesium sulfate

d)

magnesium oxide

64.

What is the formula for tin(IV) sulfide?

a)

SnS₂

b)

Sn₄S₂

c)

Sn(SO₄)₂

d)

Sn₂SO₄

65.

What is the name of this ionic compound?

a)

Copper(I) phosphide

b)

Copper(III) phosphide

c)

Copper(I) phosphate

d)

Copper(III) phosphate

66.

What is the formula for the compound formed between the magnesium ion and the hydroxide ion?

a)

MgOH₂

b)

Mg(OH)₂

c)

MgH₂

d)

MgOH

67.

What is the formula for the compound formed between the copper(II) ion and the sulfate ion?

a)

Cu(SO₄)₂

b)

Cu₂SO₄

c)

CuSO₄

d)

Cu₂S

68.

What is the formula for the compound formed between the strontium (#38) ion and the phosphide ion?

a)

Sr₃(PO₄)₂

b)

SrP₃

c)

Sr₂PO₄

d)

Sr₃P₂

69.

What is the formula for lithium selenide? (Lithium is element #3 and selenium is element #34 on the periodic table.)

a)

Li₂Se

b)

LiSe

c)

LiSe₂

d)

Li₂Se₃

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