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Chemical Bonding-Chapter 3 and 4

Total questions: 83

Worksheet time: 59mins

Name
Class
Date
1.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
2.
A cation is a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
3.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
4.

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

a)

N

b)

N-3

c)

N-5

d)

N+5

5.
Write the formula for barium + nitrogen
a)
Ba2N3
b)
Ba3N2
c)
BaN
d)
BaN3
6.
Write the correct chemical formula for Ag +  and  Br -
a)
AgBr
b)
silver bromide
c)
Ag2Br2
d)
gold bromide
7.

What will be the charge of a bromine ion?

a)

+7

b)

-7

c)

-1

d)

+1

8.
Which is the correct name for CaBr2?
a)
Calcium Bromine
b)
Bromine Calcium
c)
Calcium Bromide
9.
Ionic bonds consist of the ____ of valence electrons.
a)
sharing
b)
transfer
10.
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
11.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
12.
What is the name of Al(NO3)3?
a)
Aluminum trinitrate
b)
Monoaluminum nitrate
c)
Aluminum (III) nitrate
d)
Aluminum Nitrate
13.
What is the name of Mg(OH)2?
a)
Magnesium Hydride
b)
Magnesium Dihydride
c)
Magnesium Dihydroxide
d)
Magnesium Hydroxide
14.

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

15.
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
16.
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
17.
An ionic bond is the attraction between:
a)
oppositely charged ions
b)
similarly charged ions
c)
neutral ions
d)
neutral atoms
18.
What is the formula of Sodium oxide?
a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
19.
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
20.

Electronic configuration of Mg is

a)

2,8,2

b)

2,8,8,2

c)

2,8,3

d)

2,8,8

21.
What is the number of valence electrons for Oxygen?
a)
8
b)
6
c)
2
d)
1
22.

When two atoms share electrons, a chemical bond is formed. This type of bond is called:

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

hydrogen bond

23.

Atomic number of sodium

a)

12

b)

13

c)

11

d)

14

24.

Number of electrons in the outer most orbit of an atom is called

a)

Valency

b)

Valence electrons

c)

Atomic number

d)

None of the above

25.

What charge would an aluminum ion have?

a)

5+

b)

3+

c)

3-

d)

5-

26.

Ionic bonds form between:

a)

two metals

b)

two nonmetals

c)

metals and nonmetals

d)

metalloids

27.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
28.
Which element does this structure represent?
a)
Lithium
b)
Helium
c)
Scandium
d)
Fluorine
29.

Atoms form ions because they want to have a (a)   outer shell.

30.
Why do metals have high melting points?
a)
They don't
b)
The negatively charged electrons act as a glue to hold the positively charged ions together.
c)
All the electrons become delocalised
31.
What is the basis of a metallic bond?
a)
the attraction of neutral metal atoms.
b)
the attraction between protons and neutrons.
c)
the attraction between positive metal ions and interlocking electrons.
d)
the attraction between positive metal ions and free floating electrons.
32.

What the formula of compound hydrated copper sulfate?

a)

CuSO4

b)

CuSO4. 5H2O

c)

MgSO4

d)

MgSO4.7H2O

33.

Which of the following substances has/have giant covalent structures?

a)

diamond

b)

graphite

c)

silicon dioxide

d)

carbon dioxide

34.

Which is/are the properties of diamond?

a)

high melting point and boiling point

b)

extremely hard

c)

do not conduct electricity

d)

conduct electricity

35.

Which of the following substances has/have simple covalent structures.

a)

water (H2O)

b)

chlorine (Cl2)

c)

Bromine (Br2)

d)

sodium chloride (NaCl)

36.

Choose the correct statements about this dot-and-cross diagram.

a)

It shows the formation of ionic bond.

b)

It shows the formation of covalent bond.

c)

Ionic bonding is formed by transferring electrons from metal to non-metal.

d)

Ionic bonding is formed by sharing electrons between non-metals.

37.
Name the following ionic compound: MgSO4*7H2O
a)
magnesium sulfate * hexahydarte
b)
magnesium sulfate hexahydarte
c)
magnesium sulfate heptahydrate
d)
magnesium sulfate* heptahydrate
38.
A compound is a hydrate when it...
a)
is composed of only hydrogen and oxygen
b)
is a state of water
c)
traps water inside of the compound
d)
repels water from the compound
39.

Dried or without water

a)

anhydrate/anhydride

b)

hydrate

c)

grapes

40.

What is the formula for Potassium Sulphate?

a)

KSO4

b)

K2SO3

c)

K2S

d)

K2SO4

41.

Which of the following statements best defines water of crystallization?

a)

The arrangement of water molecules around an ion.

b)

The amount of increase in size of a crystal when added to water.

c)

Molecules of water that are present in the lattice of a crystal.

d)

The minimum amount of water needed to completely dissolve a crystal.

42.
What precipitate forms when you mix lead (II) nitrate with sodium chloride?
a)
sodium nitrate 
b)
lead (II) chloride 
c)
sodium lead
d)
chloride nitrate 
43.
Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?
a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
c)
Ag +  Cl  →  AgCl
d)
Ag+  +  Ca2+   →Ag2Ca (s)
44.
What are the spectator ions in the reaction of sodium chloride with silver nitrate?
a)
silver and nitrate
b)
sodium and chloride
c)
sodium and nitrate
d)
silver and chloride
45.

Considering the following precipitation reaction:

Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq)

What is the correct complete ionic equation?

a)

Pb2+ + (NO3)2- + 2K+ + 2I- → PbI2(s) + 2K+ + 2NO3-

b)

Pb2+ + 2NO3- +2K+ + I- → PbI2(s) + 2K+ + NO3-

c)

Pb2+ + 2NO3- + 2K+ + 2I- → PbI2(s) + 2K+ + 2NO3-

d)

Pb2+ + 2NO3- + 2K+ + 2I- → Pb2+ + 2I- + 2K+ + 2NO3-

46.

Giant covalent compound that it very hard

a)

Diamond

b)

Graphite

47.

Giant covalent compound that is found in layers

a)

Diamond

b)

graphite

48.

Graphite can conduct electricity, as it has delocalised (a)  

49.

Which can be wrapped into tiny tubes

a)

Diamond

b)

Graphite

50.
What structure is shown in the diagram?
a)
Diamond
b)
Graphite
c)
Carbon fiber
d)
Carbon nanotubes
51.
Melting points are very high – a large amount of energy is needed to break all the covalent bonds
a)
simple covalent molecules
b)
metallic
c)
ionic
d)
giant covalent 
52.
Why is diamond strong?
a)
It's made of carbon
b)
It doesn't conduct electricity
c)
It forms 4 strong covalent bonds
d)
So it can cut glass
53.
Why is graphite so soft?
a)
A.  The atoms are arranged in hexagons in layers that are held together strongly
b)
B.  The atoms are arranged in hexagons in layers that are held together weakly
c)
C.  Carbon is strongly bonded to 3 other carbon atoms.
d)
D.  Carbon is weakly bonded to 3 other carbon atoms.
54.
What element are diamond and graphite made up of?
a)
A.     Sodium
b)
B.     Carbon
c)
C.     Carbon dioxide
d)
D.     Silicon
55.

Why does graphite conduct electricity?

a)

Ions are free to move to carry the charge

b)

Atoms can move

c)

Free electrons that can carry the charge

56.
Diamond has a very high melting point due to
a)
Strong covalent bonds between carbon atoms in a layered structure 
b)
All carbon atoms are covalently bonded to 3 other carbons
c)
Strong ionic bonds in a lattice structure
d)
Carbon atom covalently bonded to 4 other Carbons in a giant structure
57.
What structure is shown in the diagram?
a)
Diamond
b)
Graphite
c)
fullerene
58.

Each carbon is graphite forms _____ bonds

a)

1

b)

2

c)

3

d)

4

59.

Why is graphite so soft and slippery?

a)

It is made of layers of atoms with weak forces between them

b)

It is made of small molecules

c)

It is an ionic compound

d)

The covalent bonds are weak

60.
When does ionic bonding occur?
a)
In most non-metallic elements and in compounds of non-metals
b)
In compounds formed from metals combined with non-metals
c)
In metallic elements and alloys
61.
Which type of diagram can be used to represent the electron transfer during the formation of an ionic compound?
a)
Dot and Cross
b)
Sketch
c)
Dot and Line
d)
Cross and Spot
62.
Which type of bonding is found in sodium chloride?
a)
Ionic
b)
Covalent
c)
Metallic
63.
A metal in Group 2 will form an ion with what charge?
a)
2-
b)
2+
c)
1-
d)
1+
64.
A metal in Group 2 will form an ion with what charge?
a)
2-
b)
2+
c)
1-
d)
1+
65.

Compounds composed of a ______________ and _____________ like the compound CaCl2 , are ionic compounds.

a)

metal ... metal

b)

nonmetal ... nonmetal

c)

metal ... nonmetal

66.

What property is describing an ionic compound?

a)

shares electrons

b)

high melting point

c)

weak bonds

d)

made up of nonmetals.

67.

The following properties are all characteristics of ionic compounds EXCEPT

a)

high melting and boiling points

b)

soft

c)

crystal lattice structure

d)

conduct electricity when dissolved in water

68.

What is the name of the three-dimensional pattern that forms when ions bond?

a)

a crystal lattice

b)

a chemical compound

c)

an ionic bond

d)

an ionic chalice

69.

What type of forces act between the ions in an ionic compound?

a)

Electrostatic

b)

Frictional

c)

Gravitational

d)

Magnetic

70.
What forces exist between simple molecules only?
a)
Strong nuclear
b)
Weak nuclear
c)
Weak intermolecular
d)
Electrostatic
71.

Ionic compounds can conduct electricity in the solid state

a)

TRUE

b)

FALSE

72.

Covalent compounds cannot conduct electricity in all states.

a)

TRUE

b)

FALSE

73.

Most ionic compounds are soluble in water but are not soluble in organic solvents.

a)

TRUE

b)

FALSE

74.

When dissolved in water, water molecules help to overcome electrostatic attraction force between ions and break down the (a)   structure of the solid compound.

75.

Ionic compounds are _________ volatile.

a)

very easily

b)

not easily

76.

Correct diagram for HF

a)
b)
c)
d)
77.

Correct diagram for CF4

a)
b)
c)
78.

Correct diagram for CO2CO_2  

a)
b)
c)
79.

Correct diagram for  N2N_2  

a)
b)
c)
d)
80.

Correct diagram for SCN-

a)
b)
c)
d)
81.

Which of the following is a covalent compound?

a)

MgCl2

b)

NaCl

c)

O2

d)

NaO2

82.

What is an ionic bond?

a)

A weak force between ions

b)

A strong force between atoms

c)

A strong force between ions

d)

A weak force between atoms

83.

In the formation of magnesium chloride (MgCl2), how many electrons does magnesium lose?

a)

Two

b)

Four

c)

Three

d)

One

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