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Chemical Bond Test

Total questions: 90

Worksheet time: 1hrs 29mins

Name
Class
Date
1.

Why are sodium and chlorine attracted to each other?

a)

they have opposite charges

b)

they both have negative charges

c)

they both have positive charges

2.

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

3.

How many valence electrons does hydrogen have?

a)

1

b)

2

c)

3

d)

4

4.

When an atom loses an electron, it becomes a

a)

positive ion

b)

negative ion

c)

neutral ion

d)

neutral atom

5.

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

6.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
7.
How are ionic bonds formed?
a)
Transfer of electrons
b)
Sharing of electrons
8.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
9.
Atoms that gain electrons become...
a)
negatively charged
b)
positively charged
c)
remain neutrally charged
d)
21
10.
What is the charge on a Hydrogen ion?
a)
+1
b)
1
c)
2
11.
How many valence electrons does calcium have?
a)
2
b)
4
c)
6
d)
7
12.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
13.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
14.

What type of elements form cations?

a)

metals

b)

nonmetals

c)

metalloids?

15.

Cations

a)

Gain electrons, has an overall positive charge

b)

Lose electrons, has an overall positive charge

c)

Lose electrons, has an overall negative charge

d)

Gain electrons, has an overall negative charge

16.

Anions

a)

Gain electrons, has an overall positive charge

b)

Lose electrons, has an overall positive charge

c)

Lose electrons, has an overall negative charge

d)

Gain electrons, has an overall negative charge

17.

Metals make _____ ions.

a)

positive

b)

negative

c)

neutral

18.

Nonmetals will make _____ions.

a)

positive

b)

negative

c)

neutral

19.

When an ionic bond is formed, electrons are _____.

a)

gained

b)

lost

c)

shared

d)

gained or lost

20.

What part of the atom does bonding involve?

a)

protons

b)

neutrons

c)

all electrons

d)

valence electrons

21.

How many valence electrons do MOST atoms need to be stable?

a)

123

b)

8

c)

as many as there are protons

22.

Which of the following is the correct ionic formula for calcium sulfide?

a)

Ca2S2

b)

CaS

c)

S2Ca2

d)

SCa

23.

Aluminum will react spontaneously with oxygen in the air to form aluminum oxide. Write the formula for the compound that is produced in this reaction.

a)

AlO

b)

Al2O3

c)

O3Al2

d)

Al6O3

24.

Name the compound from it's formula: BaI2

a)

Iodine barium

b)

Iodine bariumide

c)

Barium iodine

d)

Barium iodide

25.

When magnesium burns in oxygen it produces MgO. Use the ionic formula to name the compound produced.

a)

Magnesium oxygen

b)

Oxygen magnesium

c)

Magnesium oxide

d)

Oxygen magnesiumide

26.
Ions that are made of more than one atom are called...
a)
ionic compounds
b)
crystals
c)
polyatomic atoms
d)
ionic bonds
27.
Which is most likely to form a negative ion...
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
28.
Which of the following is the correct name for MgCl2....
a)

Magnesium Chlorine

b)
Magnesium Dicholorine
c)

Magnesium Chloride

d)
Magnesium Dichloride
29.
In an ionic compound, the total positive charge of all the positive ions ___________ the total negative charge of all the negative ions.
a)
equals
b)
is more than
30.
Because the force of attraction between the positive and negative ions is so strong, ionic compounds have _________ melting points.
a)
high
b)
low
31.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
32.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
33.
In the compound aluminum oxide, which is the cation?
a)
Al+3
b)
Al
c)
O-2
d)
O
34.
Boron will ____ valence electrons when forming an ionic bond.
a)
lose three
b)
gain three
c)
lose 5
d)
gain 5
35.
Nitrogen will ____ valence electrons when forming an ionic bond.
a)
gain 1
b)
lose 1
c)
gain 3
d)
lose 3
36.

Which of the following could form an ionic compound? Check all that apply.

a)

Na+ and F-

b)

S2- and O2-

c)

Ca2+ and Fe3+

d)

Mg2+ and Cl-

37.

Which of the following pairs of elements could NOT react to form an ionic compound?

a)

Carbon and Oxygen

b)

Potassium and Fluorine

c)

Silver and Oxygen

d)

Aluminum and Chlorine

38.
In the compound aluminum oxide, which is the cation?
a)
Al+3
b)
Al
c)
O-2
d)
O
39.
Write the correct chemical formula for Ag +  and  Br -
a)
AgBr
b)
silver bromide
c)
Ag2Br2
d)
gold bromide
40.
Write the formula for barium + nitrogen
a)
Ba2N3
b)
Ba3N2
c)
BaN
d)
BaN3
41.
Write the correct formula for an ionic compound formed from S2- and Rb1+.
a)
SRb2
b)
SRb
c)
Rb2S
d)
RbS2
42.

The name of FeCl₂ is

a)

iron chloride

b)

iron(II) chloride

c)

iron(I) chloride

d)

iron dichloride

43.

LiBr is called

a)

lithium bromine

b)

lithium(I) bromine

c)

lithium bromide

d)

lithuim(I) bromide

44.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium(II) chloride

c)

beryllium chloride

d)

beryllium dichloride

45.

What is the name of the compound Na2(SO4)?

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfuroxide

46.

The name of the compound Ca3(PO4)2

a)

calcium phosphate

b)

tricalcium diphosphate

c)

calcium phosphorus oxide

d)

calcium phosphide

47.

What is the name of the following compound: CuBr2

a)

copper bromine

b)

copper bromide

c)

copper(I) bromide

d)

copper(II) bromide

48.

What is the charge of copper in the compound: CuBr2

a)

+1

b)

+2

c)

-1

d)

-2

49.
What is the formula for magnesium phosphide?
a)
Mg3P2
b)
Mg2P3
c)
Mg2PO3
d)
Mg3(PO3)2
50.
The chemical formula for an ionic compound of potassium and oxygen is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
51.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
52.
Which of the following is the correct name for the chemical formula Ca(NO2)2?
a)
cadmium nitride
b)
calcium nitrate
c)
calcium nitrite
d)
cadmium nitrite
53.
How many nitrogen atoms in 
Mg(NO3)2
a)
1
b)
2
c)
3
d)
6
54.
How many NH4 polyatomic ions are in 
(NH4)3PO4
a)
1
b)
4
c)
3
d)
12
55.

Na2CO3 represents

a)

Sodium bicarbonate

b)

Sodium carbonate

c)

Sodium Chloride

d)

Calcium Carbonate

56.
NaOH represents 
a)
Sodium bicarbonate
b)
Sodium carbonate
c)
Sodium Chloride
d)
Sodium Hydroxide
57.

What is the chemical formula of sodium sulfate?

a)

SSO4

b)

SoSO4

c)

NaSO4

d)

Na2SO4

58.
If an atom has 7 protons and 7 electrons what charge will it have?
a)
-2
b)
-1
c)
0
d)
+2
59.

What type of diagram is this?

a)

Lewis Dot Structure

b)

Bohr Model

c)

Alkali Diagram

d)

Chemical Diagram

60.

CH3COO-

a)

acetate

b)

acetite

c)

hypoacetite

d)

peracetate

61.

Which is the correct formula for Aluminum perchlorate?

a)

Al(ClO)3

b)

Al(ClO2)3

c)

Al(ClO3)3

d)

Al(ClO4)3

62.

Name this ionic compound: K3N

(a)  

63.

Name this ionic compound: FeSO3

(a)  

64.

What is the formula for this ionic compound: Tin I Nitrate

a)

SnNO3

b)

Sn(NO3)2

c)

Sn2NO3

d)

Sn3NO3

65.
Name this compound: 
NH4F
a)
Ammonia fluoride
b)
Ammonium fluorite
c)
Ammonia fluorate
d)
Ammonium fluoride
66.

Which of these is NOT a polyatomic ion?

a)

OH-

b)

CO32-

c)

PO43-

d)

Cl-

e)

ClO4-

67.

What is the only positive polyatomic ion?

a)

chlorate

b)

ammonium

c)

nitrate

d)

sulfate

68.

What is the correct formula for the compound: ammonium hydroxide?

a)

NH4(OH)4

b)

NH5O

c)

NH4OH

69.

What happens to valance electrons during chemical reactions?

a)

They can be transferred or shared with other atoms

b)

They disappear completely

c)

They double in size

70.

When are atoms considered stable?

a)

When they have only 1 valence electrons

b)

When they have a full outer energy level

c)

Whey they have 2 valence electrons

71.

How can atoms meet the Octet Rule?

a)

Lose valence electrons

b)

Gain valence electrons

c)

Share valence electrons

d)

All of the previous

72.

Why do the elements on the periodic table have a neutral charge?

a)

Because they have the same number of protons and neutrons

b)

Because they have the same number of neutrons and electrons

c)

Because they have the same number of protons and electrons

73.

If an atom has 6 valence electrons, what would be its oxidation number?

a)

+2

b)

-2

c)

+6

d)

-6

74.

What is the oxidation number for the Alkali Metals?

a)

+1

b)

-1

c)

+2

d)

-2

75.

If an element loses 3 valence electrons, what would be its oxidation number?

a)

+3

b)

-3

c)

+5

d)

-5

76.
What are oxidation numbers?
a)
Number of electrons in the outer most energy level
b)
Number of protons
c)
Electrons gained or lost in chemical bonding
d)
Number of neutrons gained or lost
77.

H in NaH ?

a)

+1

b)

0

c)

-1

d)

None of the above

78.

What is the oxidation state of Cu in Cu2+?

a)

-1

b)

-2

c)

+2

d)

0

79.

C in CO32-?

a)

-4

b)

+2

c)

0

d)

+4

80.
What is the oxidation number of Br in BrO3-1?
a)
+3
b)
-2
c)
+5
d)
+2
81.

What charge will oxygen have when it forms an ion?

a)

+2

b)

+3

c)

-2

d)

-1

82.
What is oxidation number of Mn in MnO2 ?
a)
0
b)
+2
c)
-2
d)
+4
83.

Indicate the oxidation number of phosphorus in the given molecule.

a)

+5

b)

-5

c)

+3

d)

-3

84.
Which type of bond has a transfer of an electron from on atom to another?
a)
Polar Covalent 
b)
Non Polar Covalent
c)
Ionic
d)
Metallic
85.
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
86.
Atoms gain or lose electrons to become stable by satisfying this rule.
a)
Lewis Structure rule
b)
Periodic Law
c)
octet rule
d)
Ionic Law
87.
Which is the correct lewis dot structure for calcium chloride?
a)
A
b)
B
c)
C
88.
This could be the dot diagram of
a)
Ne
b)
H
c)
C
d)
F
89.

Which particle is responsible for bonding?

a)

Electrons

b)

Protons

c)

Nucleus

d)

Neutrons

90.

How many Oxygen atoms are in this compound: C12H22O11

a)

12

b)

22

c)

11

d)

1

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