wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

nomenclature and percent composition

Total questions: 70

Worksheet time: 2hrs 33mins

Name
Class
Date
1.

What is the name of Na2SO4?

Hint: Need Polyatomic chart for this one.

a)

Alumnium Sulfur Tetraoxide

b)

Sodium Sulfide

c)

Sodium Sulfate

d)

Sodium (IV) Sulfur Oxide (really now?)

2.

What is the name of CO?

HINT: Both are on the right side!

a)

Carbon Oxide

b)

Monocarbon Oxide

c)

Carbon Monoxide

d)

Carbon Dioxide

3.

#2 HBr

HBr(aq)

a)

acid

b)

ionic

c)

covalent

d)

roman numeral

e)

polyatomic

4.

What type of compound is this? HNO3HNO_3  

a)

Metallic

b)

Acidic

c)

Covalent

d)

Basic

5.

What is the name for MnO2MnO_2  

a)

Manganese oxogen

b)

Manganese oxide

c)

Manganese (I) oxide

d)

Manganese (IV) oxide

6.

Which of the following is a property of ionic bonds

a)

High boiling point

b)

Low Conductivity

c)

Low melting point

d)

Soft/squishy solid

7.

How do you write the formula for this compound Diphosphorous tetrachloride

a)

2P4Cl

b)

PCl2PCl_2  

c)

P2Cl4P_2Cl_4  

d)

P2Cl5P_2Cl_5  

8.

How do you name this base NaOH

a)

Sodium (I) hydroxide

b)

Sodium hydro oxogen

c)

Sodium hydroxide

d)

Sodium monohydroxide

9.

What is the name of this acid? H2SO4H_2SO_4  

a)

Hydrosulfuric acid

b)

Sulfuric acid

c)

Hydrosulfurous acid

d)

Sulfurous Acid

10.

What type of compound is P2Cl3P_2Cl_3  

a)

Ionic

b)

Covalent

c)

Metallic

d)

Carbonic

11.

What is the formula for Chromium (VI) phosphate?

a)

   Cr6PO4Cr_6PO_4  

b)

Cr(PO3)2Cr\left(PO_3\right)_2  

c)

Cr(PO4)2Cr\left(PO_4\right)_2  

d)

Cr2PO3Cr_2PO_3  

12.

What type of compound is NaCl?

a)

Ionic

b)

Covalent

c)

Metallic

d)

Polar Covalent

13.
Name the following ionic compound: LiNO3
a)
lithium nitrate
b)
lithium III nitrate
c)
lithium nitride
d)
lithium oxide
14.

what is the name of CCl4?

a)

carbon tetrachloride

b)

monocarbon tetrachloride

c)

tetracarbon monochloride

d)

carbon chloride

15.

Triple bonded carbons are called ________.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Arenes

16.

Single bonded carbons are called _________.

a)

Alkanes

b)

Alkynes

c)

Alkenes

d)

Arenes

17.
What is the formula for magnesium phosphide?
a)
Mg3P2
b)
Mg2P3
c)
Mg2(PO3)
d)
Mg3(PO3)2
18.
What is the formula for magnesium chloride?
a)
MgCl
b)
Mg2Cl
c)
MgCl2
d)
Mg(ClO3)2
19.
What is the formula for copper(I) sulfate?
a)
Cu(SO3)
b)
Cu(SO4)
c)
Cu2(SO3)
d)
Cu2(SO4)
20.
What is the formula for sodium nitrate?
a)
Na3(NO)
b)
Na(NO)
c)
Na3(NO3)
d)
Na(NO3)
21.
Name this compound: 
NH4F
a)
Ammonia fluoride
b)
Ammonium fluorite
c)
Ammonia fluorate
d)
Ammonium fluoride
22.
What is the formula for manganese (II) chloride?
a)
MgCl2
b)
MnCl2
c)
Mn2Cl
d)
MnCl
23.

What is the formula for potassium sulfite?

a)

K2SO4

b)

KSO3

c)

KSO4

d)

K2SO3

24.
What is the formula for ammonium sulfate
a)
NH4SO4
b)
(NH4)2SO4
c)
NH4S
d)
(NH4)2S
25.
What is the formula for iron (III) chloride
a)
FeCl
b)
FeCl3
c)
FeClO3
d)
Fe3Cl
26.
What is the formula for silver nitrate?
a)
Ag3NO
b)
AgNO3
c)
Ag(NO3)2
d)
Ag2NO3
27.
What is the formula for copper (II) sulfate?
a)
Cu2SO4
b)
CuSO3
c)
CuS
d)
CuSO4
28.
Name this compound:
Li2SO3
a)
Lithium sulfate
b)
Lithium sulfite
c)
Lithite sulfide
d)
Sulfur lithite
29.
Write the formula for vanadium (IV) carbonate
a)
V(CO3)2
b)
V4C
c)
V(CO3)4
d)
V4(CO3)
30.
Write the formula for copper (I) phosphide?
a)
Cu3P
b)
CuP
c)
Cu1P
d)
CuP3
31.

NaBr

a)

Bromide sodide

b)

Sodium bromide

c)

Sodium bromate

d)

Sodium bromite

32.
What is the metallic ion in the compound CuCl?
a)
Cu1+
b)
Cu2+
c)
Cu1-
d)
Cu2-
33.
What is the formula for lead (II) carbonate?
a)
PbCO3
b)
Pb2CO3
c)
Pb(CO3)2
d)
Pb(CO)4
34.
Name the compound NH4OH
a)
ammonium hydroxide
b)
ammonia oxyhydride
c)
mononitrogen tetraoxihydride
d)
hydrogen nitrate
35.
Select the correct formula for sulfur hexachloride
a)
S2Cl6
b)
S6Cl
c)
SCl6
d)
SF6
36.
What is the name for the NO3- ion?
a)
nitrate ion
b)
nitrite ion
c)
nitrogan ion
d)
nitride ion
37.
Identify the phosphide ion
a)
P5+
b)
P3+
c)
P3-
d)
P4-
38.
Which is a transition metal?
a)
cesium
b)
iron
c)
helium
d)
tellurium
39.
What is the charge on the calcium ion?
a)
1+
b)
2+
c)
2-
d)
1-
40.
Name Al2S3
a)
Aluminum sulfide
b)
Dialuminum trisulfide
c)
ammonium sulfide
d)
aluminum (II) sulfice
41.
Find the percent composition of Cu2S?
a)
%Cu= 67.987 %S= 32.013
b)
%Cu= 79.854   %S= 20.145
c)
%Cu= 35.946   %S= 64.054
42.
A compound consists of 72.2% magnesium(Mg) and 27.8% nitrogen(N) by mass. What is the empirical formula?
a)
Mg4N3
b)
MgN2
c)
Mg3N
d)
MgN
43.

How do we name acids?

a)

Adding H+ atoms to all elements of the acid

b)

Adding H+ atoms to the negatively and positively charged ions

c)

Adding H+ atoms to the positively charged ions

d)

Adding H+ atoms to the negatively charged ions

44.

Name P2O5

a)

Phosphorus pentaoxide

b)

Diphosphorus oxide

c)

Diphosphorus pentoxide

d)

Phosphorus oxide

45.

What do you add to each element name when naming molecular compounds?

a)

a positive sign

b)

a Greek prefix

c)

a negative sign

d)

none of the above

46.

When is the crossover method used to get the formula of a compound?

a)

When two polyatomic ions have different charges

b)

When two monoatomic ions have different charges

c)

When two polyatomic ions have the same charges

d)

When two monoatomic ions have the same charges

47.

Ions made of more than one element are called

a)

dual elements

b)

polyatomic ions

c)

monoatomic ions

d)

dual ions

48.

How do you name a nonmetal when it forms an ion?

a)

element name + "ion"

b)

element name + "ide"

c)

By identifying the elements

d)

You can't name nonmetal ions

49.

How do you name Group I and Group II ions?

a)

The Stock System

b)

element name + "ide"

c)

element name + "ion"

d)

None of the above

50.

How is a molecular compound held together?

a)

covalent bonds

b)

ionic bonds

c)

duct tape

d)

with the will of an atom

51.

What does an ionic compound consist of?

CHOOSE ALL THAT APPLY

a)

Anions

b)

positive & negative ions

c)

Cations

d)

None of these

52.

Find the percent composition of CaCl2?

a)

Ca: 36.11%; Cl: 63.88%

b)

Ca: 53.12%; Cl: 100%

c)

Ca: 36.11%; Cl: 83.56%

d)

Ca: 46.11%; Cl: 63.88%

53.

Find the percentage composition of Mg in Mg3(PO4)2.


a)

27.48% Mg

b)

43.11% Mg

c)

16.00% Mg

d)

12.63% Mg

54.

What percentage of the total atomic mass of magnesium bromide (MgBr2) is composed of bromine? Hint - consider the mass of both atoms of bromine in your calculation.

a)

13%

b)

43%

c)

63%

d)

87%

55.

What is the percent composition of the elements in Benzene, C6H6?

a)

C = 50%

H = 50%

b)

C = 85.7 %

H = 14.3%

c)

C = 92.2%

H = 7.8%

d)

C = 71.9%

H = 28.1%

56.
What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?
a)
24%
b)
49%
c)
51%
d)
65%
57.
What is the percent by mass of sodium in NaCl?
a)
39%
b)
61%
c)
35%
d)
65%
58.
What is the percent by mass of magnesium in MgO?
a)
20%
b)
40%
c)
50%
d)
60%
59.

What percentage of the total atomic mass of lithium phosphide (Li3P) is composed of phosphorus?

a)

13%

b)

29%

c)

40%

d)

60%

60.

What percentage of the total atomic mass of magnesium bromide (MgBr2) is composed of magnesium?

a)

13%

b)

43%

c)

63%

d)

87%

61.

What percentage of the total atomic mass of carbon monoxide (CO) is composed of carbon?

a)

29%

b)

43%

c)

57%

d)

73%

62.
What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?
a)
24%
b)
49%
c)
51%
d)
65%
63.
What is the percent by mass of chlorine in NaCl?
a)
39%
b)
61%
c)
35%
d)
65%
64.
What is the molar mass of table salt (NaCl)?
a)
116.886 g/mol
b)
35.453 g/mol
c)
22.990 g/mol
d)
58.443 g/mol
65.
What is the percent composition of Benzene, C6H6?
a)
C = 50%
H = 50%
b)
C = 85.7 %
H = 14.3%
c)
C = 92.2%
H = 7.8%
d)
C = 71.9%
H = 28.1%
66.
What is the percent composition by mass of oxygen in the compound MgSO4 (gram formula mass = 120 g/mol)?
a)
20%
b)
27%
c)
46%
d)
53%
67.
What is the percent composition by mass of sulfur in the compound MgSO4 (gram formula mass = 120 g/mol)?
a)
20%
b)
27%
c)
46%
d)
53%
68.
What is the percent by mass of sodium in NaCl?
a)
39%
b)
61%
c)
35%
d)
65%
69.
What is the percent by mass of magnesium in MgO?
a)
20%
b)
40%
c)
50%
d)
60%
70.
What is the percent by mass of oxygen in MgO?
a)
20%
b)
40%
c)
50%
d)
60%