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Ionic and Covalent Bonding

Total questions: 84

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

What is an ionic bond?

a)

A bond formed by the sharing of electrons.

b)

A bond formed by the transfer of electrons.

c)

A bond formed by the attraction of nuclei.

d)

A bond formed by the overlapping of atomic orbitals.

2.

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

a)

Sodium and chlorine

b)

Carbon and oxygen

c)

Hydrogen and helium

d)

Nitrogen and flourine

3.

What charge does a sodium ion have after it loses an electron?

a)

Neutral

b)

Positive

c)

Negative

d)

Variable

4.

What type of elements typically forms ionic bonds?

a)

Metals and metals

b)

Nonmetals and non metals

c)

Metals and non metals

d)

Noble gases and metals

5.

Which property is characteristic of ionic compounds?

a)

Low melting point

b)

Good electrical conductivity when dissolved in water

c)

Brittle solids

d)

Both b and c

6.

Which of the following compounds is an example of ionic bond?

a)

H2O

b)

CO2

c)

NaCl

d)

O2

7.

What is the result of an ionic bond between magnesium and oxygen?

a)

MgO

b)

MgO2

c)

MgO3

d)

Mg2O

8.

Select all of the statements below that are correct to describe the structure and properties of ionic compounds...

a)

They have high melting and boiling points

b)

They have a lattice structure

c)

The ions are held together by intermolecular forces

d)

They can conduct electricity when molten

e)

They can conduct electricity when solid

9.

Which of the below is an ionic compounds?

a)

Ni

b)

MgCl2

c)

H2O

d)

CH4

10.

An example of an ionic compound is Sodium Chloride, which is made from Na+ and Cl- ions. Why do these ions form an ionic bond?

a)

They have like charges

b)

They are from the same group

c)

They are from the same period

d)

They have opposite charges

11.

Lithium is in group 1 of the periodic table, which ion would it form?

a)

Li-

b)

Li2-

c)

Li+

d)

Li2+

12.

Oxygen is in group 6 of the periodic table, which ion would it form?

a)

O-

b)

O+

c)

O2-

d)

O2+

13.

Lead Chloride is an ionic compound, made up from Pb2+ ions and Cl- ions. Which is the correct formula for this compound?

a)

PbCl3

b)

PbCl

c)

PbCl4

d)

PbCl2

14.

Magnesium Hydroxide is an ionic compound made up from Mg2+ and OH- ions. Which is its correct formula?

a)

MgOH

b)

MgOH2

c)

Mg(OH)2

d)

MgO

15.

What is the reason why Noble gases are so stable?

a)

They have an even number of electrons

b)

They have no electrons

c)

They have a full outer shell of electrons

d)

They bond with other atoms

16.

How many electrons make a full outer shell in the 2nd or 3rd shells?

a)

1

b)

2

c)

4

d)

8

17.

A covalent bond...

a)

is when electrons are transferred between atoms

b)

is when an electron is lost from an atom

c)

is when an electron is shared by 2 atoms

d)

is a shared pair of electrons between 2 atoms

18.

Covalent bonds are formed between...

a)

2 non-metals

b)

a metal and a non-metal

c)

2 metals

d)

2 ions

19.

How many electrons are involved in a double bond?

a)

One pair of electrons

b)

Two pairs of electrons

c)

6 electrons

d)

8 electrons

20.

Which of these is not a covalent molecule?

a)

MgO

b)

CO2

c)

HCl

d)

CH4

21.

Chlorine has 7 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

22.

Carbon has 4 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

23.

How many ATOMS are in one molecule of CH4?

a)

2

b)

4

c)

5

d)

3

24.

Why are dots and crosses used to show the electrons in the bonds?

a)

To show which atoms the electrons belong to

b)

Because this is what electrons looks like

c)

To show if the electron came from a metal

d)

To show if the electrons are gained or lost

25.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
26.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
27.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
28.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
29.

What is a double bond?

a)

a bond between two atoms

b)

one pair of electrons shared between two atoms

c)

two pairs of electrons shared between two atoms

d)

three pairs of electrons shared between two atoms

30.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
31.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

32.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
33.

What is it called if there are three-pairs of electrons being shared?

a)

Triple bond

b)

Trigonal bond

c)

Tri-bond

d)

Three bonds

34.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal & 1 Metal
c)
2 Metals
d)
2 Noble Gases
35.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
36.
The number of bonds an element will form in a covalent compound will be equal to
a)
the number of valence electrons
b)
eight electrons
c)
the number of electrons needed to reach an octet
d)
the group number
37.

Which element below is not diatomic?

a)

hydrogen

b)

oxygen

c)

nitrogen

d)

sulfur

38.

How many valence electrons are in oxygen, O?

a)

2

b)

7

c)

6

d)

1

39.

Which of the following elements needs to bond 3 times?

a)

Oxygen, O

b)

Phosphorous, P

c)

Fluorine, F

d)

Silicon, Si

40.

Which of the following is a Diatomic Molecule?

a)

K2

b)

C2

c)

S2

d)

N2

41.

Which of the following molecules have a shape similar to the shape shown?

a)

Silicon dioxide, SiO2

b)

Carbon dioxide, CO2

c)

Water, H2O

d)

Ammonia, NH3

42.

Which of these would be covalently bonded?

a)

Sodium, Na and potassium, K

b)

Magnesium, Mg and oxygen, O

c)

Fluorine, F and chlorine, Cl

d)

Helium, He and argon, Ar

43.

Many _____ exist as diatomic molecules.

a)

alkali metals

b)

semi-metals

c)

transition metals

d)

non-metals

44.

Which of these is not a covalent molecule?

a)

K2O

b)

CO2

c)

HCl

d)

CH4

45.

When metals bond with non-metals they form what type of bonds

a)

molecular

b)

ionic

c)

cooperative

d)

lewis

46.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
47.
Name this compound: 
KF
a)
Potassium fluoride
b)
Potassium fluorite
c)
Fluorine potasside 
d)
Potassium fluorate
48.
The chemical formula of carbon tetrachloride is
a)
CCl
b)
C₄Cl
c)
CCl₄
d)
C(IV)Cl
49.
carbon monoxide
a)
CO
b)
CO2
c)
C2O
d)
COH
50.
What is krypton?
a)
element
b)
compound
c)
mixture
51.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
52.
What is gold?
a)
element
b)
compound
c)
mixture
53.
What is sugar?
a)
element
b)
compound
c)
mixture
54.
_____ compounds form solutions that conduct electricity
a)
ionic
b)
molecular
c)
metal
d)
nonmetal
55.
Classify: 
sulfur dioxide, SO2
a)
ionic compound
b)
molecular compound
c)
metallic element
d)
non-metallic element
56.
What types of elements combine to form a molecular compound?
a)
two or more metals
b)
two or more different nonmetals
c)
a metal and a non-metal
d)
two of the same nonmetal
57.
The chemical formula of dinitrogen textroxide is
a)
Ni₂O₄
b)
NiO
c)
N₂O₄
d)
NiO₂
58.

What is the official (IUPAC) name for H2O?

a)

Hydrogen Oxide

b)

Oxygen Dinitride

c)

Agua

d)

Dihydrogen Monoxide

59.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
60.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
61.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
62.
Which of these metals is usually observed in a "liquid" state?
a)
Cadmium
b)
Indium
c)
Mercury
d)
Thallium
63.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen Trioxide
c)
Silicon tetrachloride
d)
Lithium bromide
64.
a)
Best Buy
b)
Bayside Watch
c)
Betsey Johnson
d)
Billy's Italian Restaurant
65.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
66.
What is the chemical formula for Tetrasulfur pentoxide?
a)
SO
b)
S4O
c)
S4O5
d)
S5O4
67.
What is the name of C3Cl8 ?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
68.
What is the chemical formula for Nitrogen triiodide?
a)
NI
b)
N3I
c)
NI3
d)
None of these
69.
What is the name of Br6F10 ?
a)
Bromium fluoride
b)
Hexabromine fluoride
c)
Bromium decafluoride
d)
none of the above
70.
What is the name of CO
a)
Carbon oxide
b)
Carbon dioxide
c)
Carbon monoxide
d)
Carbon II oxide
71.
What is the chemical formula for CP ?
a)
Carbon phosphide
b)
Monocarbon phosphide
c)
Carbon monophosphide
d)
none of the above
72.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
73.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
74.
The chemical formula of dinitrogen textroxide is
a)
Ni₂O₄
b)
NiO
c)
N₂O₄
d)
NiO₂
75.
The chemical formula of tetraphosphorus heptaoxide is
a)
F₄O₁₀
b)
P₄O7
c)
PO
d)
P₁₀O₄
76.
What's the formula for chlorine dioxide
a)
ClO2
b)
CLO
c)
ClO3
d)
HClO2
77.
What is the formula for Hexaboron Monosilicide
a)
B6Si
b)
BSi
c)
BSi6
d)
B6Si6
78.
What is the OFFICIAL name for H2O
a)
Hydrogen Oxide
b)
Oxygen Dinitride
c)
Agua
d)
Dihydrogen Monoxide
79.
BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine trioxide
d)
bromine (III) oxide
80.
What is the formula for Tricarbon Octahydride?
a)
Ca3O
b)
C2H8
c)
C3H8
d)
Ca3H8
81.
A binary covalent bond exists between
a)
2 metals
b)
1 metal and 1 nonmetal
c)
2 nonmetals
d)
Any 2 elements
82.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
83.
Which following is a molecular compound?
a)
SO2
b)
K2O
c)
CaO
d)
BeO
84.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
CH4

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