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Worksheets

Combined Chemical Nomenclature

Total questions: 137

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

Which element has the highest electronegativity?

a)

Sodium (Na)

b)

Fluorine (F)

c)

Oxygen (O)

d)

Chlorine (Cl)

2.

What is the chemical formula for sodium chloride?

a)

NaCl

b)

Na2Cl

c)

NaCl2

d)

Na2Cl2

3.

Which type of bond is most likely to form between potassium (K) and chlorine (Cl)?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Hydrogen bond

4.

What is the IUPAC name for H2O?

a)

Hydrogen oxide

b)

Dihydrogen monoxide

c)

Water

d)

Hydrogen dioxide

5.

Which element is more likely to attract electrons in a chemical bond: oxygen (O) or sulfur (S)?

a)

Oxygen (O)

b)

Sulfur (S)

c)

Both equally

d)

Neither

6.

What is the chemical formula for magnesium oxide?

a)

MgO

b)

Mg2O

c)

MgO2

d)

Mg2O2

7.

Which periodic trend is most useful for predicting the type of bond formed between two elements?

a)

Atomic radius

b)

Electronegativity

c)

Ionization energy

d)

Melting point

8.

What is the IUPAC name for CO2?

a)

Carbon dioxide

b)

Carbon oxide

c)

Dicarbon monoxide

d)

Carbon monoxide

9.

Which element has the lowest electronegativity?

a)

Fluorine (F)

b)

Cesium (Cs)

c)

Oxygen (O)

d)

Nitrogen (N)

10.

What is the chemical formula for aluminum sulfate?

a)

Al2(SO4)3

b)

AlSO4

c)

Al3(SO4)2

d)

Al2SO4

11.

Given the electronegativity values, which pair of elements is most likely to form a covalent bond?

a)

Sodium (Na) and Chlorine (Cl)

b)

Hydrogen (H) and Oxygen (O)

c)

Magnesium (Mg) and Oxygen (O)

d)

Potassium (K) and Bromine (Br)

12.

Select the correct IUPAC name for the compound N2O5.

a)

Dinitrogen pentoxide

b)

Nitrogen pentoxide

c)

Nitrogen oxide

d)

Dinitrogen oxide

13.

Based on periodic trends, which element would most likely form an ionic bond with fluorine (F)?

a)

Sodium (Na)

b)

Carbon (C)

c)

Oxygen (O)

d)

Nitrogen (N)

14.

What is the correct chemical formula for calcium phosphate?

a)

Ca3(PO4)2

b)

CaPO4

c)

Ca2(PO4)3

d)

Ca3PO4

15.

Which pair of elements is most likely to form a polar covalent bond based on their electronegativity difference?

a)

Hydrogen (H) and Fluorine (F)

b)

Sodium (Na) and Chlorine (Cl)

c)

Oxygen (O) and Oxygen (O)

d)

Magnesium (Mg) and Oxygen (O)

16.

Choose the correct IUPAC name for the compound SF 6_6 .

a)

Sulfur hexafluoride

b)

Sulfur fluoride

c)

Sulfur hexoxide

d)

Sulfur fluorine

17.

Using periodic trends, predict which element will have the greatest tendency to gain electrons.

a)

Fluorine (F)

b)

Sodium (Na)

c)

Magnesium (Mg)

d)

Aluminum (Al)

18.

What is the correct chemical formula for ammonium sulfate?

a)

(NH4)2SO4

b)

NH4SO4

c)

NH42SO4

d)

(NH4)SO4

19.

Explain why sodium (Na) and chlorine (Cl) form an ionic bond using their electronegativity values.

a)

Sodium has a much lower electronegativity than chlorine, so it loses an electron to chlorine, forming an ionic bond.

b)

Both have similar electronegativity, so they share electrons equally.

c)

Chlorine has a lower electronegativity than sodium, so it loses an electron to sodium.

d)

Both elements have high electronegativity, so they form a covalent bond.

20.

Construct an argument to explain why water (H 2_2 O) is a polar molecule based on the electronegativity of its atoms.

a)

Oxygen is more electronegative than hydrogen, causing unequal sharing of electrons and a polar molecule.

b)

Hydrogen is more electronegative than oxygen, causing equal sharing of electrons.

c)

Both atoms have the same electronegativity, resulting in a nonpolar molecule.

d)

Water is polar because it contains ionic bonds.

21.

Using periodic trends, justify why magnesium (Mg) and oxygen (O) form an ionic compound.

a)

Magnesium has low electronegativity and oxygen has high electronegativity, leading to electron transfer and ionic bond formation.

b)

Both have high electronegativity, so they share electrons.

c)

Both have low electronegativity, so they do not bond.

d)

Magnesium and oxygen form a metallic bond due to similar electronegativity.

22.

Construct an argument to support why nitrogen and hydrogen form a covalent bond in ammonia (NH3).

a)

Both nitrogen and hydrogen have relatively similar electronegativity values, so they share electrons to form covalent bonds.

b)

Nitrogen is much more electronegative than hydrogen, so it takes electrons from hydrogen.

c)

Hydrogen is more electronegative than nitrogen, so it takes electrons from nitrogen.

d)

Both elements have low electronegativity, so they do not bond.

23.

Given the compound Fe2(SO4)3, use IUPAC rules to name it.

a)

Iron(III) sulfate

b)

Iron(II) sulfate

c)

Ferric sulfate

d)

Iron trisulfate

24.

Write the chemical formula for dinitrogen tetroxide using IUPAC nomenclature.

a)

N2O4

b)

NO4

c)

N4O2

d)

N2O2

25.

Name the compound PCl5 using IUPAC rules.

a)

Phosphorus pentachloride

b)

Phosphorus chloride

c)

Phosphorus pentachlorate

d)

Phosphorus chlorate

26.

Write the chemical formula for calcium nitrate using IUPAC nomenclature.

a)

Ca(NO 3_3 ) 2_2

b)

CaNO 3_3

c)

Ca 2_2 (NO 3_3 ) 2_2

d)

Ca 2_2 NO 3_3

27.

Name the compound CuSO4 using IUPAC rules.

a)

Copper(II) sulfate

b)

Copper(I) sulfate

c)

Cupric sulfate

d)

Copper sulfate

28.

Write the chemical formula for potassium permanganate using IUPAC nomenclature.

a)

KMnO4

b)

K2MnO4

c)

K3MnO3

d)

KMnO3

29.

Name the compound Na 2_2 CO 3_3 using IUPAC rules.

a)

Sodium carbonate

b)

Sodium carbonite

c)

Disodium carbonate

d)

Sodium bicarbonate

30.

Write the chemical formula for ammonium chloride using IUPAC nomenclature.

a)

NH4Cl

b)

NH4Cl2

c)

NH3Cl

d)

NH3Cl2

31.

What is the IUPAC name for the compound KNO 3_3 ?

a)

Potassium nitrate

b)

Potassium nitrite

c)

Potassium nitrogen oxide

d)

Potassium dinitrate

32.

Which of the following compounds is named correctly according to IUPAC rules?

a)

NaCl – Sodium perchlorate

b)

NaCl – Sodium hypochlorite

c)

NaCl – Sodium chlorite

d)

NaCl – Sodium chloride

33.

Which of the following compounds is named correctly according to IUPAC nomenclature?

a)

KNO3 – Potassium nitride

b)

KNO3 – Potassium nitrite

c)

KNO3 – Potassium nitric oxide

d)

KNO3 – Potassium nitrate

34.

Which element is most likely to lose electrons and form a cation based on periodic trends?

a)

Fluorine (F)

b)

Oxygen (O)

c)

Potassium (K)

d)

Chlorine (Cl)

35.

What is the chemical formula for magnesium sulfate according to IUPAC rules?

a)

Mg2SO3

b)

MgSO3

c)

Mg2SO4

d)

MgSO4

36.

What is the IUPAC name for the compound NO2?

a)

Nitrogen monoxide

b)

Dinitrogen monoxide

c)

Nitrogen oxide

d)

Nitrogen dioxide

37.

Which of the following pairs of elements is most likely to form an ionic bond?

a)

Magnesium (Mg) and Chlorine (Cl)

b)

Oxygen (O) and Nitrogen (N)

c)

Carbon (C) and Hydrogen (H)

d)

Phosphorus (P) and Sulfur (S)

38.

Name the compound Al2(SO4)3 using IUPAC rules.

a)

Aluminum sulfite

b)

Dialuminum sulfate

c)

Aluminum trisulfate

d)

Aluminum sulfate

39.

What is the IUPAC name for the compound PCl 5_5 ?

a)

Phosphorus chlorate

b)

Pentaphosphorus chloride

c)

Phosphorus chloride

d)

Phosphorus pentachloride

40.

Which of the following compounds is formed by a covalent bond?

a)

CaF 2_2

b)

CO 2_2

c)

NaCl

d)

MgO

41.

Based on electronegativity differences, which pair of elements is most likely to form a covalent bond?

a)

Carbon (C) and Oxygen (O)

b)

Sodium (Na) and Fluorine (F)

c)

Magnesium (Mg) and Chlorine (Cl)

d)

Potassium (K) and Bromine (Br)

42.

What is the IUPAC name for the compound N2O?

a)

Nitrogen monoxide

b)

Nitrogen dioxide

c)

Nitrogen oxide

d)

Dinitrogen monoxide

43.

Which of the following compounds is formed by an ionic bond?

a)

CO2

b)

H2O

c)

NaCl

d)

SO2

44.

What is the chemical formula for potassium nitrate according to IUPAC nomenclature?

a)

K 2_2 NO 2_2

b)

K 2_2 NO 3_3

c)

KNO 2_2

d)

KNO 3_3

45.

Which of the following compounds is formed by a covalent bond?

a)

KBr

b)

MgCl2

c)

CO

d)

NaCl

46.

What is the IUPAC name for the compound SO 2_2 ?

a)

Sulfur dihydride

b)

Sulfur monoxide

c)

Sulfur oxide

d)

Sulfur dioxide

47.

Which element has a higher tendency to lose electrons: potassium (K) or magnesium (Mg)?

a)

Neither

b)

Both equally

c)

Magnesium (Mg)

d)

Potassium (K)

48.

Which element has the highest electronegativity according to periodic trends?

a)

Oxygen (O)

b)

Chlorine (Cl)

c)

Fluorine (F)

d)

Nitrogen (N)

49.

What type of bond is most likely to form between hydrogen (H) and oxygen (O) in a water molecule?

a)

Ionic bond

b)

Covalent bond

c)

Metallic bond

d)

Hydrogen bond

50.

What's the formula for iron(II) sulfide?

a)

FeS

b)

Fe2S

c)

SFe

d)

S2Fe

51.

What's the correct formula for titanium (II) nitrate?

a)

Ti(NO3)2

b)

Ti(NO3)

c)

(NO3)Ti

d)

none of the above

52.

What is the formula for tin(IV) bromide?

a)

SnBr

b)

BrSn

c)

Sn4Br

d)

SnBr4

53.

What's the formula for zinc phosphide?

a)

ZnP

b)

PZn

c)

Zn3P3

d)

none of the above

54.

What's the name for CuSO3?

a)

Copper Sulfate

b)

Copper Sulfite

c)

Copper (II) Sulfate

d)

Copper (II) Sulfite

55.

What's the name of Zn(NO2)2?

a)

Zinc Nitrite

b)

Zinc Nitrate

c)

Zinc (II) Nitrite

d)

Zinc (II) Nitrate

56.

What's the name of HgO2?

a)

Mercury (IV) oxide

b)

Mercury (II) Oxide

c)

Oxide Mercury

d)

Mercury oxygen

57.

What's the name of CdS?

a)

Cadmium Sulfate

b)

Cadmium (II) Sulfide

c)

Cadmium Sulfur

d)

None of the above

58.

What's the name of Pb3(PO4)4?

a)

Lead phosphate

b)

Lead (III) Phosphate

c)

Phosphate Leadide

d)

Lead (IV) Phosphate

59.
Which of the following is chromate?
a)
CrO42-
b)
CrO32-
c)
CrO22-
d)
CrO2-
60.
Identify Gallium Sulfate
a)
GaSO4
b)
Ga2(SO4)3
c)
Ga3(SO4)2
d)
Ga2SO4
61.
What is the name of K3PO4?
a)
Tripotassium Phosphate
b)
Tripotassium Phosphite
c)
Potassium phosphide
d)
Potassium phosphate
62.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
63.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
64.

Formula of Chlorate polyatomic ion?

a)

ClO-1

b)

ClO3

c)

ClO3-1

65.

Formula for Sulfate polyatomic ion?

a)

SO4-2

b)

SO4

c)

SO4+2

66.

The chemical bond between a non-metal and another non-metal will be a ________ bond.

a)

metal

b)

ionic

c)

covalent

d)

polar

67.

The chemical bond between a metal and a non-metal will be a _____ bond.

a)

metal

b)

ionic

c)

covalent

d)

polar

68.

Beryllium and sulfur will form a ______ bond

a)

ionic

b)

covalent

c)

metalloid

69.

Sodium and Bromine will make a _____ bond.

a)

ionic

b)

covalent

c)

metallic

70.

Carbon and Oxygen will make a ___________ bond.

a)

ionic

b)

covalent

c)

metallic

71.

Nitrogen and Oxygen will make a ____________ bond

a)

ionic

b)

covalent

c)

metallic

72.

MgO

a)

ionic

b)

covalent

c)

metallic

73.

NaCl

a)

ionic

b)

covalent

c)

metallic

74.

If two fluorine atoms bond they will make a _____ bond.

a)

ionic

b)

covalent

c)

metallic

75.

Which of these element pairs would bond covalently?

a)

Fr and K

b)

Sc and O

c)

F and Cl

d)

He and Pt

76.
Ionic compounds are formed when one or more valence electrons are transferred from _____
a)
a nonmetal atom to a metal atom
b)
a nonmetal atom to a nonmetal atom
c)
a metal atom to a nonmetal atom
d)
a metal atom to a metal atom
77.
NaCl
a)
Ionic
b)
Covalent
c)
Metallic
d)
Polyatomic Ion 
78.
CO2
a)
Ionic
b)
Covalent
c)
Polyatomic Ion 
d)
Metallic 
79.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
80.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
81.
Ionic or covalent?
NaBr
a)
Ionic
b)
Covalent
82.

Aluminum and Bromine will make a _____ bond.

a)

ionic

b)

covalent

c)

metallic

83.

How many valence electrons do most electrons want in their valence shell to be stable? (Except hydrogen!)

a)

2

b)

4

c)

6

d)

8

84.
What happens when a sodium atom loses an electron?
a)
0
b)
-1
c)
+1
d)
-2
85.

Which of the following describes covalent bonds?

a)

Bonds form because of opposite charges

b)

electrons are shared to fill outer electron shells

c)

Electrons are transferred between atoms

d)

Covalent bonds are magical

86.

This atom will

a)

lose 2 electrons

b)

gain 2 electrons

c)

lose 6 electrons

d)

gain 6 electrons

e)

do nothing

87.
In a covalent bond, one or more electrons are? 
a)
shared 
b)
lost 
c)
gained 
d)
transferred 
88.
Ionic compounds are formed when one or more valence electrons are transferred from _____
a)
a nonmetal atom to a metal atom
b)
a nonmetal atom to a nonmetal atom
c)
a metal atom to a nonmetal atom
d)
a metal atom to a metal atom
89.

Why don't noble gases form bonds?

a)

Noble gases do form bonds

b)

They all have a full octet

c)

They only bond with each other

90.

Why don't noble gases form bonds?

a)

Noble gases do form bonds

b)

They all have a full octet

c)

They only bond with each other

91.

Covalent bonds form between

a)

metals

b)

nonmetals

c)

metal + nonmetal

d)

gases and liquids

92.

In ionic bonds, metals tend to

a)

share valence electrons

b)

gain valence electrons

c)

lose valence electrons

d)

keep their electrons

93.
Which is most likely to form an ion of -1?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
94.
Ionic compounds form because _______ charges attract.
a)
opposite
b)
like
95.
The following statements are true for ionic bonding EXCEPT
a)
bonding between metal and non metal
b)
electrostatic forces between opposite charges
c)
transferring of electrons
d)
sharing of electrons
96.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
97.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
98.

What is the IUPAC name for the compound SO2?

a)

Sulfur dioxide

b)

Sulfur oxide

c)

Sulfur monoxide

d)

Disulfur dioxide

99.

What is the chemical formula for sodium sulfate according to IUPAC nomenclature?

a)

Na2SO4

b)

NaSO4

c)

Na2SO3

d)

NaSO3

100.

What is the IUPAC name for the compound CaCl2?

a)

Calcium chlorite

b)

Calcium chloride

c)

Calcium chlorate

d)

Calcium dichloride

101.

Which of the following pairs is most likely to form an ionic bond based on their positions in the periodic table?

a)

Hydrogen (H) and Nitrogen (N)

b)

Carbon (C) and Oxygen (O)

c)

Phosphorus (P) and Sulfur (S)

d)

Sodium (Na) and Chlorine (Cl)

102.

Write the chemical formula for sodium sulfate using IUPAC nomenclature.

a)

NaSO3

b)

Na2SO4

c)

NaSO4

d)

Na2SO3

103.

What is the IUPAC name for the compound SO2?

a)

Sulfur monoxide

b)

Disulfur monoxide

c)

Sulfur oxide

d)

Sulfur dioxide

104.

Write the chemical formula for barium chloride using IUPAC nomenclature.

a)

BaCl2

b)

BaCl

c)

Ba2Cl2

d)

Ba2Cl

105.

Which of the following compounds is formed by a covalent bond?

a)

KNO3

b)

MgCl2

c)

CO2

d)

NaBr

106.

What is the IUPAC name for the compound N2O?

a)

Nitrogen oxide

b)

Nitrogen dioxide

c)

Nitrogen monoxide

d)

Dinitrogen monoxide

107.

What is the correct chemical formula for magnesium chloride?

a)

Mg2Cl

b)

MgCl2

c)

Mg2Cl2

d)

MgCl

108.

Which of the following compounds is named correctly according to IUPAC rules?

a)

KNO2 — Potassium nitrate

b)

CaCO3 — Calcium tricarbonate

c)

MgCl2 — Magnesium dichloride

d)

Na2SO4 — Sodium sulfate

109.

Which element has the greatest tendency to lose electrons based on periodic trends?

a)

Fluorine (F)

b)

Potassium (K)

c)

Oxygen (O)

d)

Chlorine (Cl)

110.

What is the IUPAC name for the compound CO?

a)

Carbon dioxide

b)

Carbon monoxide

c)

Carbon oxide

d)

Dicarbon monoxide

111.

What is the IUPAC name for the compound CO2?

a)

Carbon dioxide

b)

Dicarbon monoxide

c)

Carbon monoxide

d)

Carbon oxide

112.

Which compound is named correctly according to IUPAC nomenclature?

a)

Na2SO4 – Sodium sulfate

b)

Na2SO4 – Sodium sulfite

c)

Na2SO4 – Sodium sulfur oxide

d)

Na2SO4 – Sodium sulfate(IV)

113.

LiNO3

(a)  

114.

MgBr2

(a)  

115.

CuCl

(a)  

116.

nickel (II) hydroxide

a)

Ni2OH

b)

NiOH

c)

Ni(OH)2

d)

Ni2(OH)2

117.

Identify each compound as being being covalent, binary ionic, or polyatomic ionic.

Categorize the following

NaCl

MgO

CaCl2

KBr
LiF
BaS

NH4Cl

Na2SO4

KNO3

CaCO3

Mg(OH)2

Na3PO4

CO2

H2O

NH3

CH4

C2H6

N2O

binary ionic compound
polyatomic ionic compound
covalent compound
118.

PCl5

(a)  

119.
What is the correct name for this formula: AlPO4
a)
Aluminum phosphorus
b)
Aluminum phosphate
c)
Aluminum phosoxide
d)
Aluminum quatrophosphate
120.
dihydrogen monosulfide
a)
H2S
b)
HS2
c)
HS
d)
H2S6
121.

What is the chemical formula for sulfur hexafluoride?

a)

SF6

b)

S2F6

c)

SF4

d)

S2F4

122.

Match the following

a)

dinitrogen tetroxide

1.

N2O4

b)

triphosphorus pentoxide

2.

P3O5

c)

carbon tetrafluoride

3.

CF4

d)

silicon dioxide

4.

SiO2

e)

sulfur trichloride

5.

SCl3

123.

Match each name to a chemical formula​

a)

diphosphorous pentoxide

1.

P2O5

b)

sulfur hexachloride

2.

SCl6

c)

dinitrogen monoxide

3.

N2O

d)

bromine pentachloride

4.

BrCl5

e)

boron dioxide

5.

BO2

124.

Write the chemical formula for Na and S (sodium sulfide).

a)

NaS

b)

S2S2

c)

Na2S

d)

NaS2

125.

Write the chemical formula for K and Br (potassium bromide).

a)

KBr

b)

K2Br

c)

KBr3

d)

KBr2

126.
What is the formula for this Compound
a)
PCl
b)
PCL5
c)
PCl5
d)
Phosphorous Penta Chloride
127.

How would this chemical formula be written?

a)

CH3

b)

CH4

c)

HC4

d)

H4C

128.

According to the Chemical Compounds table, how many atoms of hydrogen are in glucose?

(a)  

129.

What is the chemical formula for this molecule?

a)

H2O

b)

CO2

c)

CO

d)

C2O

130.

Name this compound

a)

Ammonia

b)

Aluminum Fluoride

c)

Aluminum Florate

d)

Aluminum

131.

Name this compound

a)

Pentaphosphorous dioxide

b)

tetraphosphorous hexoxide

132.

Name this compound

a)

dinitrogen monosulfide

b)

nitrogen monosufide

c)

mononitrogen sulfide

133.

When naming compounds, the suffix of the second element is typically changed to ________.

a)

-ate.

b)

-ite.

c)

-ide.

d)

-ine.

e)

IDK

134.

Name this compound

a)

carbon dioxide

b)

monocarbon oxide

c)

carbon monoxide

135.

Name this compound

a)

carbon tetrafluoride

b)

dicarbon pentafluoride

c)

carbon octofluoride

136.

Name this compound

a)

Carbon Monoxide

b)

Carbon Oxygen

c)

Carbon Dioxide

d)

Carbon Trioxide

137.

What is the correct formula for this molecule?

a)

Si4F

b)

SiF4

c)

SiF

d)

Si4F4

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