wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Ionic and Covalent Compounds

Total questions: 62

Worksheet time: 47mins

Name
Class
Date
1.
An ionic compound of calcium and chlorine would be named
a)
calcium chlorine.
b)
calcium chlorite.
c)
calcium chloride.
d)
chlorine calcium.
2.
A covalent compound made of one sulfur and two oxygen atoms would be named
a)
sulfur dioxide.
b)
sulfur oxide.
c)
disulfur oxide.
d)
sulfide oxygen.
3.
The covalent compound N2O5 would be named
a)
nitrogen oxide.
b)
dinitrogen oxide.
c)
nitrogen pentoxide.
d)
dinitrogen pentoxide.
4.
The chemical formula for an ionic compound of aluminum and chlorine is
a)
AlCl.
b)
ClAl.
c)
AlCl3.
d)
Al3Cl.
5.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
6.

Why do all bonds form?

a)

so the number of protons equals the number of electrons

b)

so an atom can become unstable

c)

to fill the outermost energy level

7.

Valence electrons are found

a)

in the innermost energy level of an atom

b)

in the middle energy levels of an atom

c)

in the outermost energy levels of an atom

8.

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

a)

Gain 5

b)

Lose 3

c)

Nothing

9.

How many Aluminum atoms are in Al2O3?

a)

3

b)

5

c)

2

d)

1

10.

When naming ionic compounds, the metal is always named first and the nonmetal is always named second.

a)

True

b)

False

11.

Write the correct formula for Sodium Chloride.

a)

SC

b)

SCl

c)

NaCl

d)

NaCl2

12.

Mg3N2

a)

Magnesium nitride

b)

Magnesium (II) nitride

c)

Trimagnesium dinitrogen

13.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

14.

What two types of atoms make a covalent bond?

a)

2 Nonmetals

b)

1 Metal and 1 Nonmetal

c)

2 Metals

d)

2 Noble Gases

15.

How many valence electrons does hydrogen have?

a)

1

b)

2

c)

3

d)

4

16.

Covalent compounds can have

a)

Single Bonds

b)

Double Bonds

c)

Triple Bonds

d)

Quadruple Bonds

17.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

18.

What is the proper name for CH4?

a)

Monocarbon hydride

b)

Carbon tetrahydride

c)

Monocarbon tetrahydride

19.

What is the proper name for S2O2?

a)

Sulfur oxide

b)

Sulfur dioxide

c)

Sulfur (II) oxide

d)

Disulfur dioxide

20.

A bond between a metal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

21.

Identify the following compound as ionic or covalent: MgO

a)

ionic

b)

covalent

22.

Identify the following compound as ionic or covalent: Na2SO4

a)

ionic

b)

covalent

23.

Identify the following compound as ionic or covalent: CF4

a)

ionic

b)

covalent

24.

Identify the following compound as ionic or covalent: SO2

a)

ionic

b)

covalent

25.

Identify the following compound as ionic or covalent: CO

a)

ionic

b)

covalent

26.

Identify the following compound as ionic or covalent: Ca(OH)2

a)

ionic

b)

covalent

27.
Metals tend to 
a)
gain electrons
b)
lose electrons
28.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
29.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
30.
When an ionic compound is formed, its charge is 
a)
negative
b)
neutral (no charge)
c)
positive
31.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
32.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
33.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
34.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
35.

How many valence electrons are in an atom of phosphorus?

a)

2

b)

3

c)

15

d)

5

36.

How does calcium obey the octet rule when reacting to form compounds?

a)

It gains electrons

b)

It gives up electrons

c)

It does not change its number of electrons

d)

Calcium does not obey the octet rule

37.

How many electrons does nitrogen gain in order to have a full outer shell?

a)

5

b)

1

c)

3

d)

2

38.

Which of the following occurs in an ionic bond?

a)

Oppositely charged ions attract

b)

Two atoms share two electrons

c)

Two atoms share more than two electrons

d)

Like-charged ions attract

39.

What is the name of the ionic compound formed from lithium and bromine?

a)

Lithium bromine

b)

Lithium bromide

c)

Lithium bromium

d)

Lithium bromate

40.

Which of the following compounds has the formula KNO3?

a)

Potassium nitrde

b)

Potassium nitrogen oxide

c)

Potassium nitrate

d)

Potassium nitrite

41.

Which of the following pair of elements is most likely to form an ionic compound?

a)

Magnesium and fluorine

b)

Nitrogen and sulfur

c)

Oxygen and chlorine

d)

Sodium and aluminum

42.

Which is NOT true about covalent compounds?

a)

Low melting point

b)

Composed of two or more nonmetals

c)

Conduct electricity when dissolved in water

43.

Name the following: MgO

a)

Magnesium Oxide

b)

Monomagnesium monoxide

c)

Magnesium monoxide

d)

Magnesium (II) oxide

44.

Name the following: NaOH

a)

Sodium monohydroxide

b)

Sodium hydroxide

c)

Sodium (I) hydroxide

d)

Sodium oxide

45.

Name the following: NO2

a)

Nitrogen oxide

b)

Mononitrogen dioxide

c)

Nitrogen dioxide

d)

Nitrogen (II) oxide

46.

Name the following: CaSO4

a)

Calcium sulfide

b)

Calcium monosulfate

c)

Calcium monosulfide

d)

Calcium sulfate

47.

Name the following: CF4

a)

Carbon fluoride

b)

Monocarbon tetrafluoride

c)

Carbon tetrafluoride

d)

Carbon fluorate

48.

Name the following: N2O5

a)

Nitrogen oxide

b)

Dinitrogen pentoxide

c)

Nitrous oxide

d)

Nitrogen pentoxide

49.

Name the following: C3H8

a)

Tricarbon octahydride

b)

Carbon hydride

c)

Carbon octahydride

d)

Tricarbon hydride

50.

Name the following: LiNO3

a)

Lithium nitride

b)

Lithium nitrate

c)

Monolithium nitride

d)

Monolithium nitrate

51.

Name the following: NH3

a)

Nitrogen hydrogen

b)

Nitrogen trihydrogen

c)

Mononitrogen trihydride

d)

Nitrogen trihydride

52.
Elements combine to form __________.
a)
compounds
b)
atoms
c)
positive ions
d)
negative ions
53.
What part of an atom is involved in chemical bonding?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
54.
A ________ is a model of an atom in which each dot represents a valence electron.
a)
Valence electron
b)
Electron dot diagram/Lewis dot structure
c)
Lewis bond structure
55.
How many valence electrons does nitrogen have?
a)
3
b)

2

c)
5
d)
1
56.
How many valence electrons does hydrogen have?
a)
3
b)
2
c)
5
d)
1
57.
Where are the non-metals located on the periodic table?
a)
All over
b)
On the left side of the "staircase"
c)
On the right side of the "staircase"
58.
Compounds made from only nonmetals are _________________ compounds.
a)
ionic
b)
covalent
c)
metallic
d)
chemical
59.
A covalent bond involves a __________ of electrons.
a)
sharing
b)
borrowing
c)
exchanging
d)
switching
60.
Low melting point and low solubility in water are general properties of ______________________ compounds
a)
ionic
b)
covalent
c)
chemical
d)
glucose
61.
A __________ is a number written to the right of a chemical symbol and slightly below it.
a)
subscript
b)
coefficient
c)
chemical formula
d)
compound
62.
The chemical formula shows one carbon atom bonded to __________ oxygen atoms.
a)
one
b)
two
c)
three
d)
four

Similar Resources on Wayground

Molecule Naming

60 questions

Molecule Naming

quiz

Worksheet

•

9th - 12th Grade

Year 10 Chemistry Revision

64 questions

Year 10 Chemistry Revision

quiz

Worksheet

•

10th - 11th Grade

Unit 3 Chem A Review

62 questions

Unit 3 Chem A Review

quiz

Worksheet

•

10th - 11th Grade

Chemical formulas

67 questions

Chemical formulas

quiz

Worksheet

•

10th - 12th Grade

Matter

57 questions

Matter

quiz

Worksheet

•

7th - 10th Grade

Honors Chem Chapter 9

65 questions

Honors Chem Chapter 9

quiz

Worksheet

•

10th Grade

Ionic and Molecular Compounds: Formulas and Naming

61 questions

Ionic and Molecular Compounds: Formulas and Naming

quiz

Worksheet

•

10th Grade

7 Science Final Review

63 questions

7 Science Final Review

quiz

Worksheet

•

6th - 8th Grade