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BONDING

Total questions: 124

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

KCl has what type bonding?

a)

ionic

b)

covalent

c)

hydrogen

d)

no bonding

2.

What is the chemical formula for sodium chloride?

a)

NaCl

b)

KCl

c)

CaCl2

d)

NaOH

3.

Which of the following is a noble gas?

a)

Helium

b)

Oxygen

c)

Hydrogen

d)

Carbon

4.

What is the atomic number of carbon?

a)

6

b)

8

c)

12

d)

16

5.

what type of bonding between water and ammonia?

a)

hydrogen

b)

covalent

c)

dipole

d)

ionic

6.

Which element is a metal?

a)

Helium

b)

Oxygen

c)

Iron

d)

Carbon

7.

What is the atomic number of oxygen?

a)

6

b)

8

c)

12

d)

16

8.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
9.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
10.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
11.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
12.

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

13.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
14.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

15.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
16.

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

17.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal & 1 Metal
c)
2 Metals
d)
2 Noble Gases
18.
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
19.
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
20.

Which element below is not diatomic?

a)

hydrogen

b)

oxygen

c)

nitrogen

d)

sulfur

21.

How many valence electrons are in oxygen, O?

a)

2

b)

7

c)

6

d)

1

22.

Which of the following elements needs to bond 3 times?

a)

Oxygen, O

b)

Phosphorous, P

c)

Fluorine, F

d)

Silicon, Si

23.

Which of the following is a Diatomic Molecule?

a)

K2

b)

C2

c)

S2

d)

N2

24.

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

25.

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

26.

Many _____ exist as diatomic molecules.

a)

alkali metals

b)

semi-metals

c)

transition metals

d)

non-metals

27.

Which of these is not a covalent molecule?

a)

K2O

b)

CO2

c)

HCl

d)

CH4

28.

Which of the following is NOT a property of ionic compounds?

a)

They conduct electricity when molten

b)

They conduct electricity when in solution

c)

They have high boiling points

d)

They are insoluble in water

29.
What is the charge on a Hydrogen ion?
a)
+1
b)
1
c)
2
30.
What is the charge on an Aluminium ion?
a)
3
b)
+3
c)
+2
d)
+1
31.
What is the charge on a chloride ion?
a)
-1
b)
1
c)
+2
d)
+1
32.
What is the charge of Neon?
a)
0
b)
+1
c)
-1
d)
1
33.
How many valence electrons does hydrogen have?
a)
1
b)
2
c)
3
d)
4
34.
How many valence electrons does calcium have?
a)
2
b)
4
c)
6
d)
7
35.
A(n) _________ is an ion with a positive (+) charge.
a)
anion
b)
cation
c)
ion
d)
solute
36.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
37.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
38.
In the chemical formula for an ionic compound, which item is written first?
a)
positive ion
b)
negative ion
c)
subscript
d)
the female
39.
Which of the following is a characteristic property of ionic compounds?
a)
They form hard, brittle crystals with characteristic shapes
b)
They have low melting points
c)
They have low boiling points
d)
They contain no charged particles
40.
In what form can an ionic compound conduct electricity?
a)
when dissolved in water
b)
as a solid
c)
as a crystal
d)
when warmed slightly
41.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
42.
A charged particle that has gained at least one electron is called a(n) _____.
a)
Anion
b)
Cation
c)
Anonion
d)
chemistry cat
43.
Nitrogen will ____ electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
44.
What will be the compound name of the following chemical formula?
NaCl
a)
Potassium Chloride
b)
Sodium Chloride
c)
Calcium Chloride
d)
Sodium Chlorine
45.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
46.
Which is the correct name for CaBr2?
a)
Calcium Bromine
b)
Bromine Calcium
c)
Calcium Bromide
d)
Carbon and Bromine
47.
which types of elements become cations?
a)
nonmetals
b)
all metals
c)
only transition metals
d)
some metals and some metalloids
48.
What is the formula of Sodium oxide?
a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
49.
What is the formula of calcium oxide?
a)
CaO2
b)
CaO
c)
Ca2O
d)
CO
50.
How many electrons has an oxide ion lost?
a)
1
b)
2
c)
6
d)
0
51.
If the name of a compound ends in "IDE", what does that tell us about the atoms that make it up?
a)
That it is a molecule
b)
That it contains two different elements
c)
That it contains two atoms
d)
That it is an ionic compound
52.

How many valence electrons are shown in the diagram?

a)

16

b)

7

c)

6

d)

2

53.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
54.

Examine the image: How many bonds are formed looking at the model of the compound? And also indetify what type of bond is formed.

a)

2 bonds; covalent

b)

4 bonds; metallic

c)

2 bonds; ionic

d)

4 bonds; covalent

55.

Ionic Bonding is the _________ of electron/s between atoms.

a)

sharing

b)

transfer

c)

loose

d)

gain

56.

a type of covalent bond that shares two pairs of electron

a)

single bond

b)

double bond

c)

triple bond

57.

This refers to the tendency of atoms to prefer to have eight electrons in the valence shell

a)

Octet rule

b)

Valence electron

c)

Electronegativity

d)

Lewis symbol

58.

Electron that is located on the outermost shell

a)

proton

b)

neutron

c)

electron

d)

valence electron

59.

A bond between metal and non metal is called

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

60.

Predict the bond that form between Be and F

a)

Covalent

b)

Ionic

61.

If an atom loses two electrons what charge will it have?

a)

-1

b)

-2

c)

+1

d)

+2

62.

Which particle is responsible for bonding?

a)

Electrons

b)

Protons

c)

Nucleus

d)

Neutrons

63.

Which element is most likely to form 2 bonds?

a)

Carbon

b)

Fluorine

c)

Nitrogen

d)

Sulfur

64.

Why do elements bond?

a)

To be friends

b)

To create a new element

c)

To become stable

d)

To get bigger

65.
If an atom gains two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
66.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
67.

How many valence electrons does Oxygen (O) have?

a)

6

b)

8

c)

15

d)

16

68.
Nitrogen will ____ valence electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
69.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
70.

An atom with a different number of electrons than it should have (more or less) is called an ---

a)

isotope

b)

valence electron

c)

ion

d)

octet

71.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
72.
The type of bond where valence electrons are SHARED is called: 
a)
Covalent
b)
Ionic
c)
Hydrogen
d)
Isotope 
73.
The type of bond where valence electrons are TRANSFERRED is called: 
a)
Covalent
b)
Ionic
c)
Hydrogen
d)
Isotope
74.
Gain or lose electrons
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
75.
Share electrons
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
76.
Between metals and nometals
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
77.
Between  nonmetals
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
78.
H2O
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
79.
NaCl
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
80.
CO2
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
81.
LiF
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
82.
This picture shows a...
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
83.
This picture shows a...
a)
Ionic Bond
b)
Covalent Bond
c)
Both bonds
d)
Neither bond
84.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
85.
What type of bond forms when 2 or more electrons are SHARED?
a)
Covalent bond
b)
Incomplete bond
c)
Ionic bond
d)
Metallic bond
86.
What type of bond forms between two or more atoms that are charged (+/-)?
a)
Covalent bond
b)
Incomplete bond
c)
Ionic bond
d)
Metallic bond
87.
Which of the following is an example of an IONIC COMPOUND?
a)
NaCl
b)
H2O
c)
CO2
d)
NO
88.
Which of the following is an example of a COVALENT COMPOUND?
a)
H2S
b)
KI
c)
CaCl2
d)
MgO
89.
What charge does a bromine (Br) ion have?
a)
-1
b)
-2
c)
-3
d)
-4
90.
What charge does a potassium (K) ion have?
a)
+1
b)
-1
c)
+2 
d)
-2
91.
Name that Ion
Li+
a)
copper (III)
b)
lithium
c)
ladmium
d)
iodine
92.
Which category of elements have the property of being malleable and ductile?
a)
gases
b)
metals
c)
metalloids
d)
nonmetals
93.
Electrons that are free to move in a metal are referred to as...
a)
localized electrons
b)
delocalized electrons
c)
electrostatic electrons
d)
cations
94.
Which term means "can be shaped?"
a)
malleable 
b)
ductile 
c)
hard 
d)
soft
95.
Alloys include a "sea" of free moving _______. 
a)
electrons
b)
atoms 
c)
molecules 
d)
protons 
96.
Ionic bonds are between _______ and ________. 
a)
nonmetals and nonmetals 
b)
metals and metals 
c)
metals and nonmetals
d)
none
97.
How does a positively charged ion form?
a)
An atom loses an electron
b)
An atom gains an electron
c)
An atom gains a proton
d)
An ionic compound dissolves
98.
In covalent bonding, electrons are
a)
shared
b)
transferred
c)
wiped out
99.
Covalent bonds tend to happen between two
a)
metals
b)
nonmetals
c)
metal and nonmetal
100.
Outer shell electrons are called
a)
outer electrons
b)
valence electrons
c)
negatives
101.
Atoms want
a)
A full outer shell of electrons
b)
One electron short of a full shell
c)
kit kats
102.
The compound formed between lithium and chlorine is _________.
a)
ionic
b)
covalent
103.
This metal is very common. Which spelling is correct?
a)
iorn
b)
iren
c)
iron
104.
What do metals conduct?
a)
heat
b)
electricity
c)
both
d)
neither
105.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
106.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
107.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
108.

Nitrogen, N, will form which of the following ions?

a)

N

b)

N-3

c)

N-5

d)

N+5

109.

Beryllium, Be, will ____ valence electrons when forming an ionic bond.

a)

lose 4

b)

gain 4

c)

lose 2

d)

gain 2

110.
Write the formula for barium + nitrogen
a)
Ba2N3
b)
Ba3N2
c)
BaN
d)
BaN3
111.
Write the correct chemical formula for Ag +  and  Br -
a)
AgBr
b)
silver bromide
c)
Ag2Br2
d)
gold bromide
112.

What will be the charge of a bromine ion?

a)

+7

b)

-7

c)

-1

d)

+1

113.
Which is the correct name for CaBr2?
a)
Calcium Bromine
b)
Bromine Calcium
c)
Calcium Bromide
114.
Ionic bonds consist of the ____ of valence electrons.
a)
sharing
b)
transfer
115.
Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?
a)
There are 2 bromide ions for every magnesium ion
b)
Bromide has a 2- charge
c)
Bromide has a 2+ charge
d)
There are 2 magnesium ions to every bromide ion
116.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
117.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
118.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
119.

Which of the following is NOT a property of ionic compounds?

a)

They conduct electricity when molten

b)

They conduct electricity when in solution

c)

They have high boiling points

d)

They are insoluble in water

120.
Which of the following is a characteristic property of ionic compounds?
a)
They form hard, brittle crystals with characteristic shapes
b)
They have low melting points
c)
They have low boiling points
d)
They contain no charged particles
121.
In what form can an ionic compound conduct electricity?
a)
when dissolved in water
b)
as a solid
c)
as a crystal
d)
when warmed slightly
122.
What is the formula of Sodium oxide?
a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
123.
An ionic bond is the attraction between:
a)
oppositely charged ions
b)
similarly charged ions
c)
neutral ions
d)
neutral atoms
124.
Which of the following is NOT true of ionic compounds?
a)
Metal ions have a + charge
b)
Non-metal ions have a - charge
c)
They conduct electricity when they are solid
d)
They are arranged in a giant lattice

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