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Naming Ionic Compounds and Writing Ionic Chemical Formulas

Total questions: 51

Worksheet time: 4hrs 15mins

Name
Class
Date
1.

Naming ionic compounds is easy because

a)

anions are followed by the cation's name.

b)

all ions share the same charges.

c)

ions and isotopes have the same ionic charge.

d)

The name of cation is always followed by the name of the ion,

2.
Nonmetals tend to 
a)

gain electrons and they are usually anions

b)

lose electrons and they are cations

c)

gain electrons and they are called cations

d)

Remain neutral because they are noble gases

3.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)

lithium (III) nitrate

c)
lithium nitride
d)

lithium nitrogen oxide

e)

lithium (I)nitrate

4.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
5.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
6.

The chemical formula of lead (IV) nitrate is

a)

PbN₄

b)

PbNO₃₄

c)

Pb(NO₃)₄

d)

Pb₃NO₄

7.

The chemical formula of iron (III) bromide is

a)

FeBr

b)

Fe(III)Br

c)

FeBr₃

d)

Fe₂Br₃

8.
When naming ionic compounds you always write the name of the positive element  _______ .
a)
first
b)
second
c)
with "ide"
d)
with a prefix
9.
What is the formula for calcium phosphide?
a)
CaP
b)
Ca2P3
c)
Ca3P2
d)
Ca2P
10.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
11.
The chemical formula for an ionic compound of potassium and oxygen is
a)

KO

b)

K2O

c)

K2O2

d)

KO2

12.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

13.

When naming binary ionic compounds...

a)

the cation should end in -ide

b)

the anion should end in -ide

c)

the cation should end in -ite or ate

d)

the anion should end in -ite or ate

14.

Name the ionic compound SnSe2

a)

Tin diselenide

b)

Tin (IV) Selenide

c)

Tin selenide

d)

Tin (II) triselenide

15.

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

e)

Cation and Anion

16.
AgF
a)

silver (I) fluoride

b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
17.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

18.

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

19.

When naming a compound, which of these is written first?

a)

Metal

b)

Nonmetal

c)

Anion

d)

Cation

20.

When writing formulas for ionic compounds you have to do which of the following?

a)

multiply the numbers with each other

b)

cross and drop the numbers only and not the charge

c)

cross and drop the numbers with the charge

d)

cross and drop the numbers and leave them at the top.

21.

The name of the compound Ca3(PO4)2

a)

calcium phosphate

b)

tricalcium diphosphate

c)

calcium phosphorus oxide

d)

calcium phosphide

22.

What is the name of the following compound: NaCl

a)

sodium chloride

b)

sodium (I) chloride

c)

sodium chlorine

d)

sodium (I) chlorine

23.

What is the name of the following compound: CuBr2

a)

copper bromine

b)

copper bromide

c)

copper (I) bromide

d)

copper (II) bromide

24.

Name the following ionic compound: Cs2S

a)

cesium sulfide

b)

cesium sulfate

c)

cesium II sulfate

d)

cesium II sulfide

25.

When naming a compound, what must the last part be?

a)

the element with "ide" at the end

b)

the element with the ending "ite"

c)

the name of the element

d)

the element with "ide" at the end, unless its a polyatomic ion

26.

What is the name of the following compound: Mn2O3

a)

manganese oxide

b)

manganese (II) oxide

c)

manganese (III) oxide

d)

magnesium oxide

27.

What is the charge of copper in the compound: CuBr2

a)

+1

b)

+2

c)

-1

d)

-2

28.

What is the what charge of lead in the compound: lead (IV) iodide

a)

+1

b)

+4

c)

+6

d)

-1

29.

Which is the correct formula for the compound: Barium Hydroxide

a)

BaOH

b)

Ba(OH)2

c)

BaOH2

d)

Ba2OH

30.

Which is the correct formula for the compound: lead (II) fluoride

a)

Pb2F

b)

PbF2

c)

PbF

d)

PbF7

31.
Na2S
a)

Disodium sulfide

Disodium sulfide

b)
Sodium sulfide
c)
Sodium monosulfide
32.

Name this compound:

KI

a)

potassium iodide

b)

potassium iodite

c)

iodine potasside

d)

potassium iodine

33.

What is the correct formula for Ammonium phosphate?

a)

NH4PO4

b)

NH43PO4

c)

(NH4)3PO4

d)

NH4(PO4)3

34.

What is the correct formula for aluminum sulfide?

a)

Al3S2

b)

Al2S

c)

AlS2

d)

Al2S3

35.

What is the correct formula for the compound calcium carbide?

a)

CaC

b)

Ca2C

c)

CaC2

d)

Ca4C4

36.

What is the correct chemical formula for strontium acetate?

a)

SrC2H3O2

b)

Sr2C2H3O2

c)

Sr(C2H3O2)2

d)

Sr(C2H3O2)3

37.

What is the correct chemical formula for magnesium iodide?

a)

MgI2

b)

Mg2I

c)

MgI

d)

Mg2I2

38.

What is the name of the compound NH4OH?

a)

Nitrogen oxygen hydride

b)

Nitrogen hydroxide

c)

Ammonium oxygen hydride

d)

Ammonium hydroxide

39.

_______ is an ion that contains more than two different types of atoms.

a)

monatomic ion

b)

complex ion

c)

polyatomic ion

d)

diatomic ion

40.
What is one way to recognize a transition metal?
a)
If it has a roman numeral
b)
it says that it is a transition metal
c)
you cant recognize it
d)
it has 4 elements
41.
Name the compound using appropriate rules:
FeCl3
a)
Chloride Iron
b)

Iron (III) Chloride

c)

Chloride (III) Iron

d)
I have no clue
42.
Manganese II
a)
Mg +2
b)
Mg -2
c)
Mn +2
d)
Mn -2
43.
Cobalt III
a)
Cu +3
b)
Co +3
c)
Cu -3
d)
Co -3
44.
Lead II 
a)
Ld +2
b)
Pb +2
c)
Pd +2
d)
Ld +2
45.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
46.

Iron(II) oxide would be written in formula form as

a)

Cannot be determined

b)

Fe3O2

c)

FeO

d)

Fe2O3

47.
Write formulas for the following compound:
tin (II) fluoride
a)
SnF2
b)
Sn2F
c)
FeF2
d)
Fe2F
48.
Ca+2P-3
a)
PCa
b)
P2Ca3
c)
CaP
d)
Ca3P2
49.
What is the correct formula for aluminum phosphide?
a)
Al₃P₃
b)
AlP
c)
AlPO₄
d)
AlPO₃
50.

Barium and Selenium form?

a)
BaSe
b)
Ba2Se
c)
Ba2Se2
d)
BaSe2
51.
The chemical formula for an ionic compound of aluminum and chlorine is
a)
AlCl.
b)
ClAl.
c)
AlCl3.
d)
Al3Cl.

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