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Unit #5: Bonding Practice Test

Total questions: 96

Worksheet time: 15hrs 39mins

Name
Class
Date
1.
1.  In a nonpolar covalent bond, electrons are
a)
1)  Located in a mobile “sea” shared by many atoms
b)
1)  Shared unequally by two atoms
c)
1)  Shared equally by two atoms
d)
Transferred from one atom to another
2.
1.  The chemical bonding in sodium phosphate, Na3PO4, is classified as 
a)
metallic only
b)
Both covalent and metallic
c)
Both covalent and ionic
d)
Ionic only
3.
The degree of polarity of a chemical bond in a molecule of a compound can be predicted by determining the difference in the 
a)
1)  Atomic masses of the bonded atoms in a molecule of the compound
b)
1)  Melting points of the elements in the compound
c)
1)  Symmetry of the molecule.
d)
1)  Electronegativities of the bonded atoms in a molecule of the compound
4.

Which bond is least polar?

a)

N-Cl

b)

Bi-Cl

c)

Se-Cl

d)

As-Cl

5.
Which molecule has a nonpolar covalent bond?
a)
NH3
b)
HCl
c)
H2O
d)
H2
6.

1. Which elements will form an ionic compound?

a)

Na and Al

b)

Li and Cl

c)

Ca and Hg

d)

H and I

7.

Which of the following compounds contains ionic bonds?

a)

SO2

b)

CO2

c)

AsBr3

d)

CaBr2

e)

SBr2

8.

What is the charge of an ion in group 13?

a)

+3

b)

-3

c)

-5

d)

+5

9.
Which of these combinations is an ionic compound made of?
a)
Metal and Metal
b)
Nonmetal and Nonmetal
c)
Metal and Nonmetal
d)
Cation and Cation
10.
According to the octet rule, all atoms want to have ___ electrons in their outer shell
a)
1
b)
2
c)
6
d)
8
11.
How many valence electrons does N have?
a)
1
b)
3
c)
5
d)
8
12.

Which of the following pairs form a covalent bond ?

a)

Carbon and oxygen.

b)

nitrogen and sodium

c)

calcium and chlorine

d)

sodium and fluorine

13.
A covalent bond is formed between atoms by
a)
The transferring of protons
b)
The sharing of a pair of protons
c)
The transferring of electrons
d)
The sharing of a pair of electrons
14.

Choose which of the following compounds contain IONIC Bonds (you may choose more than one answer)

a)

H2O

b)

SO2

c)

AlCl3

d)

H2

e)

MgI2

15.

Choose which of the following compounds contain COVALENT Bonds (you may choose more than one answer).

a)

NH3

b)

NaCl

c)

CaF2

d)

CH4

e)

N2

16.
What type of bond "shares" electrons?
a)
Ionic
b)
Covalent
17.

Which of the following atoms has a charge of 2+?

a)

Lithium

b)

Potassium

c)

Oxygen

d)

Magnesium

18.
Which of the following pairs of elements will form an ionic bond?
a)
Carbon and Hydrogen
b)
Hydrogen and Chlorine
c)
Sodium and Bromine
d)
Oxygen and Hydrogen
19.
Which of the following families will most likely NOT bond?
a)
Alkali 
b)
Alkaline Earth
c)
Halogens
d)
Noble Gases
20.
How many total electrons will be transferred in a bond between Beryllium and Oxygen?
a)
1
b)
2
c)
3
d)
4
21.
How many more electrons does Iodine require to fill its outer shell?
a)
1
b)
2
c)
3
d)
4
22.
Which ion is formed by Potassium?
a)
[K]+
b)
[K]2+
c)
[K]-
d)
[K]2-
23.

Which type of bond involves sharing electrons?

a)

Metallic

b)

Ionic

c)

Nuclear

d)

Covalent

24.

Choose all of the covalent molecules below.

a)

H2O

b)

C

c)

Br2

d)

CCl4

25.

Which type of bonding involves the Electron Sea Model?

a)

Ionic

b)

Covalent

c)

Metallic

d)

Hydrogen

26.

H2O is classified as a(n)

a)

Metallic molecule

b)

Covalent molecule

c)

Ionic molecule

d)

Lewis molecule

27.
What is C3H8 
(methane) made up of?
a)
1 carbon & 1 hydrogen
b)
3 carbons & 8 hydrogens
c)
8 carbons & 3 hydrogen
d)
11 carbons & 11 hydrogen
28.
What is HCl
(hydrochloric acid) made up of?
a)
1 hydrogen, 1 carbon,  1 Iodine
b)
1 hydrogen & 2 carbons
c)
1 hydrogen & 1 chlorine
d)
1 hydrogen & 2 chlorine
29.
What is H2SO4 
(Sulfuric Acid) made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
30.
What is NaHCO3 
(Baking Soda) made up of?
a)
1 sodium, 1 hydrogen,
1 carbon, 3 oxygen
b)
1 sodium, 1 hydrogen, 3 cobalt
c)
1 nitrogen, 1 hydrogen, 3 cobalt
d)
1 nitrogen, 1 hydrogen, 3 cobalt
31.
What is Fe2O3
(rust) made up of?
a)
1 flourine, 2 einsteinium,
3 oxygen
b)
2 fluorine, 3 oxygen
c)
2 iron, 3 oxygen
d)
2 iron, 3 osmium
32.

What type of bond does C6H12O6 have?

a)

ionic

b)

covalent

33.

What type of bond does magnesium chloride (MgCl) have?

a)

ionic

b)

covalent

34.

Diatomic molecules have which type of bonds?

a)

ionic

b)

covalent

35.
When an ionic compound forms, one part loses electrons while the other gains.  Which substance loses electrons?
a)
metal
b)
non-metal
36.
When a negative ion is formed, does the particle gain, lose or share electrons?
a)
gain
b)
lose
c)
share
37.
How many valence electrons are transferred from magnesium to oxygen when making a chemical formula?
a)
1
b)
2
c)
3
d)
4
38.
how many electrons does chlorine gain when bonding with sodium?
a)
1
b)
2
c)
3
d)
4
39.
The electrons in a metallic bond are found where?
a)
right next to the nucleus
b)
in the "sea of electrons"
c)
at the neighboring atoms nucleus
d)
they escape in order to bond
40.
An ionic bond would be between which two atoms?
a)
oxygen and bromine
b)
hydrogen and chlorine
c)
oxygen and aluminum
d)
phosphorous and sulfur
41.

What is the correct name for this polyatomic ion: ClO–

a)

hypochlorite

b)

chlorite

c)

chlorate

d)

perchlorate

42.

What is the correct name for this polyatomic ion: CN–

a)

carbonate

b)

cyanide

c)

chromate

d)

chromite

43.

What is the correct name for this polyatomic ion: OH–

a)

hydrogen carbonate

b)

oxonium

c)

hydroxide

d)

acetate

44.

What is the correct name for this polyatomic ion: CrO42–

a)

chromate

b)

dichromate

c)

carbonate

d)

ammonium

45.

What is the correct formula for the polyatomic ion called hydrogen carbonate?

a)

HCO3–

b)

CO32–

c)

CrO42–

d)

CN–

46.

What is the correct formula for the polyatomic ion called dichromate?

a)

CO32–

b)

Cr2O72–

c)

CrO42–

d)

CrO3–

47.

What is the correct formula for the polyatomic ion called ammonium?

a)

NH3+

b)

NH3

c)

CN+

d)

NH4+

48.
What is the name of K3PO4?
a)
Tripotassium Phosphate
b)
Tripotassium Phosphite
c)
Potassium phosphide
d)
Potassium phosphate
49.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
50.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
51.
What is the name of the compound Rb(OH)?
a)
Rubidium hydroxide
b)
Rubidium hydride
c)
Rubidium oxyhydride
d)
Rubidium hydrogen oxide
52.

What is the name of the compound Sc(OH)3?

a)

Scandium (III) hydroxide

b)

Scandium (I) hydroxide

c)

Scandium (II) hydroxide

d)

Scandium hydroxide

53.

What is the name of the following ternary ionic compound:

LiBrO3?

a)

Lithium Bromate

b)

Lithium Bromite

c)

Lithium Bromine Oxide

54.

What is the name of the following ternary ionic compound:

Ba(OH)2 ?

a)

Barium Hydroxide

b)

Boron Hydroxide

c)

Beryllium Hydroxide

55.
What is the charge on the hydroxide ion?
a)
0
b)
-1
c)
-2
d)
-3
56.
Which of the following molecules contains only London dispersion forces?
a)
CF4
b)
HCl
c)
H2O
d)
MgO(aq)
57.
Which of the following molecules predominantly consists of dipole-dipole forces?
a)
HF
b)
Ne
c)
O2
d)
ICl
58.
Propane is a gas at STP, while bromine is a liquid at STP. Which statement correctly explains these observations?
a)
Bromine has weaker intermolecular forces than propane does
b)
Bromine has greater molecular polarity than propane does
c)
Bromine has weaker molecular polarity than propane does
d)
Bromine has stronger intermolecular forces than propane does
59.
Which of the following molecules has hydrogen bonding?
a)
HCl
b)
HI
c)
HF
d)
HBr
60.
Type of intermolecular force present in HF.
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
61.
Type of intermolecular force present in I2, Br2, and Cl2.
a)
dipole dipole
b)
H-bond
c)
dispersion
d)
metallic
62.
H2S has what kind of intermolecular force?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
63.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
64.
Which of the following has the highest boiling point?
a)
H2
b)
NH3
c)
N2
d)
O2
65.
Which of the following has the lowest boiling point?
a)
CaCl2
b)
PH3
c)
Cl2
d)
N2
66.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
67.
What explains the very high melting and boiling point of water
a)
Strong dipole-dipole bonds between water molecules
b)
Strong hydrogen bonds between water molecules
c)
Dispersion forces which are present in all molecules
d)
Asymmetrical shape of the polar bonds.
68.
Does HCl have hydrogen bonding?
a)
yes
b)
no
69.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
70.
All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces.  Which of these has ONLY London forces?
a)
I2
b)
NH3
c)
OCl2
d)
SH2
71.

Which substance would have the weakest intermolecular forces of attraction?

a)

CH4

b)

NaCl

c)

H2O

d)

MgF2

72.
Ionic Bonding involves...
a)
The transfer of protons
b)
The transfer of nuetrons 
c)
The transfer of electrons
d)
None Of the above
73.

Which substance has the weakest intermolecular forces?

a)

Substance A, boiling point of 75 °C

b)

Substance B, boiling point of 105 °C

c)

Substance C, boiling point of 25 °C

d)

Substance d, boiling point of 45 °C

74.
London forces are stronger in heavier atoms or molecules, and weaker in lighter atoms or molecules.  Which of these has the strongest London forces?
a)
F2
b)
Br2
c)
I2
d)
Cl2
75.
Which of the following is nitrate?
a)
NO-
b)
NO2-
c)
NO3-
d)
NO4-
76.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
77.

What is the correct name for this polyatomic ion: OH–

a)

hydrogen carbonate

b)

oxonium

c)

hydroxide

d)

acetate

78.

What is the correct name for this polyatomic ion: PO43–

a)

phosphorus tetroxide

b)

phosphate

c)

sulphate

d)

hydroxide

79.

What is the correct formula for the polyatomic ion called sulphate?

a)

SO32–

b)

HSO4–

c)

SO42–

d)

CH3COO–

80.

What is the correct formula for the polyatomic ion called ammonium?

a)

NH3+

b)

NH3

c)

CN+

d)

NH4+

81.
What is the name of K3PO4?
a)
Tripotassium Phosphate
b)
Tripotassium Phosphite
c)
Potassium phosphide
d)
Potassium phosphate
82.
Which of the following is a compound?
a)
Co
b)
O2
c)
C
d)
CO2
83.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
84.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
85.
Ca2+ and N3- create...
a)
Ca2N3
b)
Ca3N2
c)
CaN3
d)
Ca2N
86.

Na+ and Cl- create...

a)

Na2Cl

b)

NaCl2

c)

Na2Cl2

d)

NaCl

87.

Potassium and Sulfur create...

a)

KS

b)

KS2

c)

K2S

d)

K2S2

88.

The formula of calcium and phosphate is

a)

CaPO4

b)

Ca2(PO4)3

c)

Ca3PO4

d)

Ca3(PO4)2

89.
Fe +2  and  SO4 -2
a)
FeSO4
b)
Fe4(SO4)2
c)
FeSO2
d)
correct answer is not given
90.
Fe +2  and  SO4 -2
a)
FeSO4
b)
Fe4(SO4)2
c)
FeSO2
d)
correct answer is not given
91.
Ca +2  and  OH -
a)
Ca2OH
b)
CaOH2
c)
Ca(OH)2
d)
correct answer is not given
92.
Be careful with this question.....
SO4 -2  and  Al +3
a)
(SO4)3Al2
b)
(SO4)2Al3
c)
Al3SO4
d)
Al2(SO4)3
93.
Name the following compound: FeCl3
a)
iron chloride
b)
iron III chloride
c)
iron chlorate
d)
iron III chlorate
94.
copper(II) chloride
a)
CuCl2
b)
CuCl
c)
Cu2Cl
d)
Cu2Cl2
95.
PbS2
a)
lead sulfide
b)
lead sulfur
c)
lead II sulfide
d)
lead IV sulfide
96.
Name the compound CuO
a)
copper (II) oxide
b)
copper oxide
c)
copper (I) oxide
d)
carbon uranium oxide

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