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Naming & Formulas of Ionic Compounds 2526

Total questions: 68

Worksheet time: 1hrs 8mins

Name
Class
Date
1.

Mg and Cl create...

a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
2.

H and S create...

a)
H2S
b)
HS2
c)
H2S2
d)
HS
3.

Ca and N create...

a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
4.

Li and P create...

a)
Li3P
b)
LiP3
c)
LiP
d)
Li2P
5.

Na and Cl create...

a)

Na2Cl

b)

NaCl2

c)

Na2Cl2

d)

NaCl

6.

K and S create...

a)

K2S

b)

KS2

c)

K2S2

d)

KS

7.

Mg and O create...

a)

Mg2O3

b)

MgO2

c)

MgO

d)

Mg2O

8.

Ca and F create...

a)

Ca2F2

b)

Ca3F

c)

CaF2

d)

Ca2F

9.

Al and P create...

a)

Al3P

b)

AlP3

c)

AlP

d)

Al2P

10.

Ba and Cl create...

a)

Ba2Cl

b)

BaCl2

c)

Ba2Cl2

d)

BaCl

11.
What is the formula for the compound formed by magnesium ions and nitrogen ions?
a)
MgN
b)
Mg2N3
c)
Mg3N2
d)
MgN3
12.
Which of the following will form an ion with a 2- charge?
a)
Ca
b)
Se
c)
Ge
d)
N
13.
What charge does a calcium (Ca) ion have?
a)
+1
b)
+2
c)
+3
d)
+4
14.
A phosphorus atom needs to gain ___ electrons to achieve a full octet.
a)
3
b)
4
c)
6
d)
5
15.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
16.

K + and N-3 form...

a)

KN

b)

KN3

c)

K3N3

d)

K3N

17.
Cations are
a)
positive
b)
negative
c)
on the right side of the periodic table.
d)
nonmetals
18.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
19.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
20.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
21.

Which of the following is an ionic compound:

a)

CH4

b)

I2

c)

LiBr2

d)

CO

22.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
23.
What is the FORMULA for...
calcium arsenide
a)
Ca3As2
b)
CaAs2
c)
Ca3As
d)
Ca3Ar2
24.

Write the formula for barium + nitrogen

a)

Ba2N3

b)

Ba3N2

c)

BaN

d)

BaN3

25.

Na+ and Cl- create...

a)

Na2Cl

b)

NaCl2

c)

Na2Cl2

d)

NaCl

26.
Ca2+ and N3- create...
a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
27.

The formula of calcium and phosphate is

a)

CaPO4

b)

Ca2(PO4)3

c)

Ca3PO4

d)

Ca3(PO4)2

28.

The chemical formula of Iron (III) and bromine is

a)

FeBr

b)

Fe(III)Br

c)

FeBr₃

d)

Fe₂Br₃

29.
Fe +2  and  SO4 -2
a)
FeSO4
b)
Fe4(SO4)2
c)
FeSO2
d)
correct answer is not given
30.
Ca +2  and  OH -
a)
Ca2OH
b)
CaOH2
c)
Ca(OH)2
d)
correct answer is not given
31.

What is the formula for copper(I) and sulfate?

a)

CuSO3

b)

CuSO4

c)

Cu2SO3

d)

Cu2SO4

32.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
33.
The formula of calcium phosphate is 
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
34.

Pb4+ and O2- create...

a)

Pb2O

b)

PbO2

c)

Pb2O2

d)

PbO

35.

Rb+ and P3- create...

a)

Rb3P

b)

RbP3

c)

RbP

d)

Rb2P

36.
The proper formula for magnesium hydroxide:
a)
MgOH
b)
Mg2OH
c)
Mg(OH)2
d)
Mg2OH2
37.
If copper (II) and phosphate bond together, the resulting chemical formula would be:
a)
Cu2(PO4)3
b)
CuPO4
c)
Cu3(PO4)2
d)
Cu3PO4
38.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
39.
What is the formula for manganese(III) oxide?
a)
MgO
b)
Mg2O3
c)
MnO
d)
Mn2O3
40.

Which two elements would NOT form an ionic bond?

a)

calcium and lithium

b)

calcium and oxygen

c)

lithium and oxygen

d)

calcium and carbon

41.

A sodium ion has a charge of

a)

-1

b)

-2

c)

+1

d)

+2

42.

What is the correct molecular formula of Calcium Chloride?

a)

CaCl

b)

Ca2Cl

c)

CaCl2

d)

Ca3Cl2

43.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

44.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

45.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

46.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

47.

Name the ionic compound SnSe2

a)

Tin diselenide

b)

Tin (IV) Selenide

c)

Tin selenide

d)

Tin (II) triselenide

48.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium II chloride

c)

beryllium chloride

d)

beryllium dichloride

49.

Name the following ionic compound: Cs2S

a)

cesium sulfide

b)

cesium sulfate

c)

cesium II sulfate

d)

cesium II sulfide

50.

What is the name of the compound Na2(SO4)?

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfuroxide

51.

What is the name of the compound Sc(OH)3?

a)

Scandium (III) hydroxide

b)

Scandium (I) hydroxide

c)

Scandium (II) hydroxide

d)

Scandium hydroxide

52.

The name of the compound Ca3(PO4)2

a)

calcium phosphate

b)

tricalcium diphosphate

c)

calcium phosphorus oxide

d)

calcium phosphide

53.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
54.
Name this compound: 
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside 
d)
Potassium fluorate
55.
AgF
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
56.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
57.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
58.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
59.
The proper formula for magnesium hydroxide:
a)
MgOH
b)
Mg2OH
c)
Mg(OH)2
d)
Mg2OH2
60.
Name the following ionic compound: MgSO4
a)
magnesium sulfoxide
b)
magnesium sulfide
c)
magnesium sulfate
d)
magnesium oxide
61.
What would be the proper chemical formula for combining Al3+ and Cl- :
a)
AlCl3
b)
Al3Cl
c)
AlCl
d)
Al3Cl3
62.
The chemical formula of iron (III)bromide is
a)
FeBr
b)
Fe(III)Br
c)
FeBr₃
d)
Fe₂Br₃
63.
What is the formula for calcium phosphide?
a)
CaP
b)
Ca2P3
c)
Ca3P2
d)
Ca2P
64.

If a sulfate ion has a charge of 2-, how many sodium ions will combine with one sulfate ion?

a)

1

b)

2

c)

3

d)

2.5

65.

The chemical formula for CaS is

a)

Cerium sulfide

b)

Carbon sulfur

c)

Calcium sulfide

d)

Calcium sulfur

66.

Which of these is NOT a polyatomic ion?

a)

OH-

b)

CO32-

c)

PO43-

d)

Cl-

e)

ClO4-

67.

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

68.

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

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