wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Alice Chemistry Exam quiz

Total questions: 251

Worksheet time: 3hrs 33mins

Name
Class
Date
1.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
2.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
3.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
4.
Where is the nucleus located in an atom?
a)
Near the electron shells/levels
b)
Near the center of an atom
5.
Which two subatomic particles make up the nucleus of an atom?
a)
Protons and Electrons
b)
Neutrons and Electrons
c)
Electrons and Protons
d)
Protons and Neutrons
6.
Where are the Electrons found in the structure of an atom?
a)
In the nucleus
b)
In spaces around the nucleus
7.
The subatomic particles in green are...
a)
Protons
b)
Neutrons
c)
Electrons
8.
How many electron shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
9.
How many electrons does this picture show?
a)
4
b)
5
c)
6
d)
3
10.
How many protons does this atom have?
a)
3
b)
6
c)
4
d)
2
11.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
12.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
13.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
14.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
15.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
16.
An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
17.
The particles of the atom you can find by knowing the atomic number.
a)
neutrons
b)
protons and electrons
c)
protons and neutrons
d)
atomic mass
18.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
19.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
20.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
21.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
22.
What is the atomic mass of the atom pictured? 
a)
9
b)
10
c)
18
d)
19
23.
What is the atomic number of the atom pictured? 
a)
9
b)
10
c)
18
d)
19
24.
What is the element name of the atom pictured? 
a)
Fluorine
b)
Neon
c)
Argon
d)
Potassium
25.
Which scientist conducted experiments using alpha particles and thin gold foil, which later helped him develop his model for the atom? 
a)
Ernest Rutherford
b)
Kneels Bore
c)
Niels Bohr
d)
Earnest Rutherfraud
26.
Which scientist discovered the electron, which helped him develop a model of the atom?
a)
Niels Bohr
b)
John Dalton
c)
Ernst Rutherford
d)
J.J Thompson
27.
What is an atom mostly made up of?
a)
protons
b)
electrons
c)
empty space
d)
neutrons
28.
According to Dalton's theory, all atoms of a particular _______ are identical.to 
a)
mass
b)
element
c)
weight
d)
color
29.
Who created the "plum pudding" model of the atom?
a)
Democritus
b)
Rutherford
c)
Dalton
d)
Thomson
30.
According to Ernest Rutherford, an atom is made of mostly....
a)
empty space
b)
electrons
c)
the nucleus
d)
protons
31.
His model had electrons surrounding the nucleus at a distance?
a)
Dalton
b)
Schrödinger / Heisenberg
c)
Rutherford
d)
Bohr
32.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
33.

How many atoms are in this molecule?

a)

1

b)

2

c)

3

d)

4

34.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
35.

Different isotopes have...

a)

different masses

b)

different atomic numbers

c)

different electrons

d)

different protons

36.

What is an ion?

a)

A Charged Atom

b)

A Large Atom

c)

A Small Atom

d)

A Cute Atom

37.
This model was developed after J.J. Thompson discovered electrons, a particle smaller than an atom. Is shows electrons floating freely in a positive space.
a)
The "Plum Pudding Model" of the atom
b)
The "Rutherford Model" of the atom
c)
Democritus's model of the atom
d)
The "Solar System Model" of the atom
38.

Place the following scientists in order, from earliest to latest:

A) Ernest Rutherford

B) J.J. Thomson

C) J.Chadwick

a)

B,C,A

b)

C,A,B

c)

A,C,B

d)

B,A,C

39.
Who discovered the nucleus of an atom?
a)
JJ Thomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
40.

Atomic model was termed the "plum pudding model" by which scientist

a)

Joseph Thomson

b)

Niels Bohr

c)

Ernest Rutherford

d)

John Dalton

41.
In the Bohr Model, how many electrons fit in the first energy level?
a)
2
b)
4
c)
8
d)
18
42.

Electrons orbit the nucleus in shells. Each shell can only hold a maximum number of electrons . Argon has an atomic number of 18. What would be its electrons arrangement.

a)

2,16

b)

2,4,6,6

c)

8,8,2

d)

2,8,8

43.

Who discovered particles in the nucleus of atoms, neutrons

a)

Niels Bohr

b)

Ernest Rutherford

c)

J.J. Thomson

d)

James Chadwick

44.

What is the pH of distilled water?

a)

pH 12

b)

pH 3

c)

pH 8

d)

pH 7

45.

Which substance is an acid?

a)

Water

b)

Bleach

c)

Orange juice

d)

Washing powder

46.

Which substance is an acid?

a)

Water

b)

Bleach

c)

Orange juice

d)

Washing powder

47.

What is always made in a neutralisation reaction?

(a)  

48.

What colour does universal indicator turn in a strong alkali?

a)

Purple

b)

Yellow

c)

Red

d)

Green

49.

What colour does universal indicator turn in a strong acid?

a)

Purple

b)

Yellow

c)

Red

d)

Green

50.

What ion do all alkali solutions contain?

(a)  

51.

What do all acids contain?

a)

Hydroxide ion

b)

Hydrogen ion

c)

Calcium ion

d)

Water

52.

What colour is neutral in a universal indicator?

a)

Red

b)

Blue

c)

Purple

d)

Green

53.

What is sulfuric acid an example of?

a)

Weak alkali

b)

Strong acid

c)

neutral

d)

Weak acid

54.

What substances will you get if H+ is in excess?

a)

Acid

b)

Alkali

55.

Write the chemical equation that represents the dissociation of the ionic compound Na2(SO4) .

a)

Na+2 + (SO4)-1

b)

Na+1 + (SO4)-1

c)

Na+2 + (SO4)-4

d)

Na+1 + (SO4)-2

56.

What 2 ions appear on both sides of the equation?

Na+ (aq) + Cl- (aq) + Ag + (aq) + (NO3)+ (aq)→Na+ (aq) + (NO3) + AgCl(s)

a)

Ag and NO3

b)

Na and Cl

c)

Na and NO3

d)

Ag and Cl

57.

Which of the following shows the correct disassociation of the reaction for BaCl2?

a)

Ba 2+ (aq) + Cl2 - (aq) BaCl2 (s)

b)

Ba 2+ (aq) + 2 Cl - (aq) BaCl2 (s)

c)

BaCl2 (aq) Ba 2+ (aq) + 2 Cl - (aq)

d)

BaCl2(s)Ba 2+(aq)+ 2Cl (aq)

58.
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 
59.
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)
60.
Which of the following does NOT form a precipitate?
a)
Pb(NO3)2(aq) + 2KI(aq) →
b)
Sr(NO3)2 (aq) + K2SO4(aq) →
c)
AgNO3(aq) + Na2S(aq) →
d)
 Pb(NO3)2(aq) + AgNO3(aq) →
61.
In this equation,
CuCl2 + NaOH  → Cu(OH)2 + NaCl
Which product is insoluble?
a)
copper(II) hydroxide
b)
sodium chloride
c)
sodium hydroxide
d)
copper(II) chloride
62.
Which of these results in the formation of a precipitate?
a)
AgNO3(aq)  +  NaOH(aq)→
b)
BaNO3(aq)  +  CaCl2(aq)→
c)
NaNO3(aq)  +  KOH(aq)→
d)
More than one of these form precipitates
63.

Write out the full ionic equation and the net ionic equation for the reaction:

sodium sulfate(aq) + silver nitrate(aq) -->

4 lines
64.

Write the full ionic and net ionic equations for the reaction: magnesium chloride(aq) + lithium carbonate(aq) -->

4 lines
65.

What is the oxidation number (charge) of S in Na2SO4?

4 lines
66.

What is the oxidation number (charge) of C in MgCO3?

4 lines
67.

Write the full and net ionic equations for the reaction: potassium hydroxide (aq) + aluminum nitrate (aq)

4 lines
68.

When an atom loses an electron it forms an ...

(a)  

69.

When an atom loses an electron it forms an ion. The charge on this ion will be

(a)  

70.

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

a)

+1

b)

-2

c)

-1

d)

+2

71.

When an atom gains electrons what will be the charge on the ion which is formed?

a)

positive

b)

negative

72.

Oxidation occurs when a substance gains

(a)  

73.

Reduction occurs when oxygen is (a)   from a substance.

74.

Reduction can also be used to describe a reaction in which an atom (a)   electrons.

75.

Which of these reactions is oxidation occurring in ?

a)

Magnesium + oxygen

b)

magnesium sulphate + iron

c)

copper + oxygen

76.

What is an exothermic reaction?

a)

heat energy is given out to the surroundings

b)

heat energy is taken into the substance

c)

no energy is given out

77.

Exothermic reactions give out heat energy to the surroundings?

a)

True

b)

False

78.

An example of an exothermic reaction is? Pick as many which you think apply?

a)

rusting nail

b)

neutralisation

c)

acid and alkali

d)

burning magnesium

e)

combustion

79.

An example of an exothermic reaction is?

a)

rusting nail

b)

neutralisation

c)

acid and alkali

d)

burning magnesium

e)

combustion

80.

What happens to the temperature in an exothermic reaction?

a)

it stays the same

b)

the temperature decreases

c)

the temperature increases

81.

Which of the following process is exothermic?

a)

Candle melting

b)

A puddle evaporating

c)

Dry ice (solid carbon dioxide) subliming to form gaseous carbon dioxide

d)

Water freezing to form ice

82.

What is an example of exothermic?

a)

firework

b)

ice pack

c)

coal

d)

wood

83.

What type of reaction occurs in a hand warmer?

a)

exothermic

b)

endothermic

84.
What type of reaction is shown in the photo?
a)
Exothermic
b)
Isothermic
c)
Endothermic
d)
None of the  above
85.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
86.
In an exothermic reaction, heat is ...
a)
taken in
b)
given out
87.

Endothermic means energy _______.

a)

absorbed

b)

released

88.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

89.

Is photosnythesis an Exothermic or an Endothermic reaction?

a)

Endothermic

b)

Exothermic

90.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these 
91.

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?

a)

The temperature changed

b)

It is an endothermic reaction

c)

It is an exothermic reaction

92.

In an endothermic reaction, heat is ...

a)

taken in

b)

given out

93.

Does this show an endothermic or an exothermic reaction?

a)

Endothermic

b)

Exothermic

94.

Is this showing an endothermic or an exothermic reaction?

a)

Endothermic

b)

Exothermic

95.

In an endothermic reaction...

a)

products have more energy than reactants

b)

reactants have more energy than products

96.

Match the following

a)
1.

This is an exothermic reaction profile

b)
2.

This is an endothermic reaction profile

c)

Exothermic reactions have...

3.

product energy lower than reactant energy

d)

Endothermic reactions have...

4.

product energy higher than reactant energy

97.

You can tell this is an ​ (a)   reaction profile because the product line is ​ (b)   than the reactants.

Choose from the below words
exothermic
lower
98.

You can tell this is an ​ (a)   reaction profile because the product line is ​ (b)   than the reactants.

Choose from the below words
endothermic
higher
99.

You can tell this is an ​ (a)   reaction profile because the product line is ​ (b)   than the reactants. This means energy has been ​ (c)   .

Choose from the below words
endothermic
higher
absorbed
exothermic
released
lower
100.

You can tell this is an ​ (a)   reaction profile because the product line is ​ (b)   than the reactants. This means that energy has been ​ (c)   into the ​ (d)  

Choose from the below words
exothermic
lower
released
surroundings
absorbed
higher
endothermic
101.

What is the empirical formula of a substance with the molecular formula NaCl?

a)

Na2Cl

b)

NaCl2

c)

NaCl

d)

Na2Cl2

102.

What is the empirical formula of a substance with the molecular formula C2H4?

a)

C2H2

b)

C2H2

c)

C1H1

d)

CH2

103.

Which is the best way to get salt from salty water?

a)

Evaporation

b)

Filtration

c)

Distillation

104.

Pure water can be separated from inky water by simple distillation because:

a)

Water and ink have different boiling points

b)

Water evaporates leaving the ink particles behind

c)

Ink evaporates leaving the water behind

105.

What is the correct order for obtaining salt from a mixture of sand and salt?

a)

Dissolving in water - filtration - evaporation

b)

Evaporation - filtration - dissolving in water

c)

Filtration - dissolving in water - evaporation

106.

Which method is usually used to separate coloured substances from each other?

a)

Simple distillation

b)

Evaporation

c)

Chromatography

107.

How could you separate iron filings from a mixture of iron and sulfur?

a)

Using a magnet

b)

By adding water and filtering

c)

By distillation

108.

In filtration, what name is used to describe the solid left in the filter paper?

a)

Filtrate

b)

Residue

c)

Distillate

109.

If you wanted to make pure drinking water from sea water, what process would you use?

a)

Filtration

b)

Distillation

c)

Evaporation

110.

Crude oil can be separated into several liquids that have different boiling points. What is the name of this process?

a)

Simple distillation

b)

Chromatography

c)

Fractional distillation

111.

In chromatography, where are the spots of coloured substances placed?

a)

Randomly on the piece of paper

b)

In a vertical line on the paper

c)

On a horizontal line on the paper

112.

What is the name of the piece of paper at the end of a chromatography experiment?

a)

Chromatogram

b)

Filtrate

c)

Residue

113.

Chromatography is commonly used in food testing to identify the presence of banned additives in food.


Which additive(s), P, Q, R or S is/are present in Chewy Candy?

a)

P and R

b)

P and S

c)

Q and R

d)

Q and S

114.

What is substance W known as?

(a)  

115.

What is the apparatus labelled X known as?

(a)  

116.

Through which outlet (A or B) does cold water enters apparatus X?

a)

A

b)

B

117.

Muddy water is filtered using filter paper and filter funnel. The mud stays on the filter paper.


Why does the mud stay on the filter paper?

a)

The mud reacts with the filter paper.

b)

The particles of mud are too large to pass through the holes in the filter paper.

c)

The particles of the water stop the mud going through.

d)

The particles of water make the filter paper wet.

118.

Why is evaporation not a suitable method to obtain sugar from sugar solution?

a)

Sugar will evaporate as vapour.

b)

Sugar will decompose and turn black upon heating.

c)

Sugar will become smaller particles.

d)

Sugar will take a long time to form.

119.

In paper chromatography, the dye that is most soluble in the solvent will travel the .....

a)

fastest

b)

slowest

120.

Which ink, W, X or Y is a pure substance based on the chromatogram shown?

a)

W

b)

X

c)

Y

121.

Ms Lenny wants to separate a mixture of sand and salt.


Which option below can she use to obtain the sand from the mixture?

a)

filtration only by pouring mixture of sand and salt through filter paper

b)

dissolving only by adding water to mixture

c)

dissolving first then use filtration

d)

dissolving first then use evaporation

122.

Which processes take place during distillation?

Hint: There are 2 processes.

a)

freezing

b)

boiling

c)

condensation

d)

melting

123.

Which of the following mixtures can be separated using the set-up shown?

a)

sea water (made up of salt, water and some minerals)

b)

sand and salt

c)

drop of ink

d)

sugar solution (made up of sugar and water)

124.

The colour of plant leaves is due to a mixture of pigments.


Which method is used to separate these pigments?

a)

filtration

b)

evaporation

c)

distillation

d)

chromatography

125.

Which method(s) below is suitable to obtain pure water from a salt solution?

a)

distillation

b)

dissolving

c)

filtration

d)

evaporation

126.

Which method(s) below is suitable to obtain salt from a salt solution?

a)

distillation

b)

dissolving

c)

filtration

d)

evaporation

127.

Complete the statement below.


A mixture contains two or more different substances that are not (a)   combined. 

128.

When a mixture of rock pieces, salt, and water is filtered, what is the residue?

a)

Rock Pieces

b)

Salt

c)

Water

d)

Salt and Water

129.

When a mixture of rock pieces, salt, and water is filtered, what is the filtrate?

a)

Rock Pieces

b)

Salt

c)

Water

d)

Salt and Water

130.

Out of salt and water, what is the solute?

a)

Salt

b)

Water

131.

Out of salt and water, what is the solvent?

a)

Salt

b)

Water

132.

Solvent + Solute -> (a)  

133.

What is the name of the process used to separate an insoluble substance from an a solution?

a)

Filtration

b)

Crystallisation

c)

Sieving

134.

1.What is the name of the process to separate a soluble substance from a solution?

a)

Filtration

b)

Crystallisation

c)

Sieving

135.

What do we call the change of state from a liquid to a gas?

(a)  

136.

Particles in a regular arrangement are which state?

(a)  

137.

Something that can be compressed is in which state?

a)

Solid

b)

Liquid

c)

Gas

138.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

139.

What tool is this?

a)

sieve

b)

filter

140.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

141.

If I pour sand and water onto a filter, what will happen?

a)

water and sand will go through the filter

b)

sand will get caught in the filter, water will pass through

c)

both sand and water will get caught in the filter

142.
What will allow more solute to be dissolved in a solvent.
a)
adding more solute
b)
stiring
c)
cooling solution
d)
heat
143.
Define solubility
a)
how much pressure is in an object has
b)
Surface Area per Temperature
c)
how much solute can dissolve in a solvent
d)
it is a made up word
144.
When no more sugar will dissolve in a glass of water, the solution is
a)
unsaturated
b)
saturated
c)
supersaturated
d)
suspended
145.
Combination of two or more pure substances that are not chemically combined
a)
compound          
b)
atom
c)
mixture 
d)
element
146.

Julia wanted to know what substances were in the ink in her pen. What process should she use to do this?

a)

chromatography

b)

evaporation

c)

filtration

d)

sifting

147.
If you wanted to separate salt from a lot of water, what do you think would be the best way to do it?
a)
Boil the water so that only the salt remains
b)
add food dye to the solution so you can see where the water is
c)
Use a magnet to get the salt out
d)
Use a sifter or coffee filter to filter it out
148.
Which mixture could you separate by adding water and then pouring through a coffee filter?
a)
sand and salt, because the salt would dissolve and the sand would not
b)
baking soda and salt, because they both dissolve
c)
sugar and salt, because they both dissolve
d)
iron fillings and sand, because neither one dissolves
149.

Filtration can be used to separate the atoms in a compound.

a)

TRUE

b)

FALSE

150.

If a substance is insoluble in water, it ___________.

a)

dissolves in water

b)

cannot dissolve in water

c)

forms a solution when mixed with water

d)

cannot be separated from water

151.

Which method is this a picture of?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

152.

Which method is this a picture of?

a)

Filtration

b)

Evaporation

c)

Distillation

d)

Chromatography

153.
The equipment shown below is used for...
a)
Filtration
b)
Distillation
c)
Chromatography
d)
Boiling
e)
Crystallisation
154.
Which of the following labels shows the filter paper?
a)
A
b)
B
c)
C
d)
D
155.
Which of the following labels shows the filter funnel?
a)
A
b)
B
c)
C
d)
D
156.
Which of the following labels shows the flask?
a)
A
b)
B
c)
C
d)
D
157.
Which of the following labels shows the solvent?
a)
A
b)
B
c)
C
d)
D
158.
Which of the following labels shows the solvent front?
a)
A
b)
B
c)
C
d)
D
159.
Which of the following labels shows the substance being tested?
a)
A
b)
B
c)
C
d)
D
160.
Which of the following labels shows the chromatography paper?
a)
A
b)
B
c)
C
d)
D
161.

Which piece of equipment is labelled D?

a)

Beaker

b)

Spatula

c)

Glass rod

d)

Water

162.

If you add sugar to water it ......

a)

Disappears

b)

Evaporates

c)

Floats

d)

Dissolves

163.

When you add sugar to water it dissolves. Sugar is the ...

(a)  

164.

The liquid that does the dissolving is called the ..

a)

solution

b)

solute

c)

solvent

d)

soluble

165.

Name the substance in the table that is least soluble.

a)

Barium Chloride

b)

Cobalt Chloride

c)

Potassium Chloride

d)

Sodium Bromide

166.

What mass of sodium bromide has dissolved?

a)

100g

b)

9g

c)

91g

d)

Nothing

167.

Can you dissolve more salt or sugar in water?

a)

Salt

b)

Sugar

168.

Which separation technique does the picture show?

a)

Filtering

b)

Evaporation

c)

Distillation

d)

Chromatography

169.

Which separation technique does this show?

a)

Filtration

b)

Chromatography

c)

Distillation

d)

Evaporation

170.

This equipment can be used to separate mixtures using:

a)

Melting point

b)

Dissolving

c)

Boiling points

d)

Temperature

171.

How many colours are in ink A?

a)

4

b)

3

c)

2

d)

5

172.

Is the unknown substance A or B?

a)

A

b)

B

173.

Which label points to the filtrate?

a)

A

b)

B

c)

C

d)

D

174.

Which letter labels the residue?

a)

A

b)

B

c)

C

d)

D

175.

Which element is graphene made from?

a)

Carbon

b)

Copper

c)

Hydrogen

d)

Sodium

176.

Which structure is a fullerene?

a)

A

b)

B

c)

C

d)

D

177.

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

a)

Electrostatic

b)

Frictional

c)

Gravitational

d)

Magnetic

178.

What are TWO properties of ionic compounds?

a)

Conducts electricity when molten

b)

High melting point

c)

Low melting point

d)

Small molecules

e)

Weak bonds between particles

179.

Each carbon atoms in graphite is joined to _______ other carbon atoms

a)

Two

b)

Three

c)

Four

180.

What type of bonding holds together the atoms in graphite?

a)

ionic

b)

covalent

c)

metallic

181.

Why is graphite so soft and slippery?

a)

It is made of layers of atoms

b)

It is made of small molecules

c)

It is an ionic compound

182.

Diamond is made from what type of atoms?

a)

Carbon

b)

Nitrogen

c)

Oxygen

d)

Silicon

183.

The atoms in diamond are joined together by which type of bonds?

a)

Ionic

b)

Covalent

c)

Metallic

184.

In diamond each atom is joined to _______ others

a)

two

b)

three

c)

four

185.

Diamond is suitable for the cutting end of a drill bit because it is

a)

hard

b)

shiny

c)

soft

186.

Which structure has a very low boiling point?

a)

A

b)

B

c)

C

d)

D

e)

E

187.

What type of bond is in a molecule of hydrogen chloride?

a)

Ionic

b)

Covalent

c)

Metallic

188.

What type of bonding is preset in calcium oxide?

a)

Ionic

b)

Covalent

c)

Macromolecular

d)

Metallic

189.

What type of particle is this?

a)

An ion

b)

A lattice

c)

A molecule

d)

A polymer

190.

What type of structure is C60?

a)

Diatomic

b)

Giant ionic

c)

A Fullerene

d)

Giant Metallic

191.

What type of bond is labelled A?

a)

Metallic

b)

Double

c)

Ionic

d)

Covalent

192.

This is propane. What type of bonding holds the atoms together?

a)

Ionic

b)

Covalent

c)

Metallic

193.

In silicon dioxide the bonds between atoms are

a)

Easily broken

b)

Very strong

c)

Weak

194.

What type of structure does this diagram represent?

a)

Ionic

b)

Metallic

c)

Alloy

d)

Covalent

195.

Which term would NOT apply to a metallic structure?

a)

High melting point

b)

Good insulator

c)

Delocalised electrons

d)

Malleable

196.

When can ionic substances conduct electricity?

a)

Never

b)

As a solid

c)

As a liquid

d)

As a solution

197.
An ionic bond forms when atoms ___________ electrons.
a)
gain
b)
share
c)
increase
d)
transfer
198.
If an atom loses two electrons what charge will it have?
a)
+ 2
b)
 - 2
c)
+1
d)
-1
199.

What type of structure is H20 ?

a)

Simple Covalent

b)

Giant Covalent

200.

What are the properties of giant covalent structures?

a)

Low melting and boiling points

b)

Can conduct electricity

c)

Cannot Conduct electricity

d)

High melting and boiling points

201.

Why are metals malleable?

a)

The particles are not able to slide over each other

b)

The particles are able to slide over each other

202.

Why are alloys harder than pure metals?

a)

The different sized atoms distort the layers in the structure making it easier for them to slide over each other.

b)

The different sized atoms distort the layers in the structure making to more difficult for them to slide over each other.

c)

There is no difference in hardness.

203.

Why do small molecules have low melting and boiling points?

a)

Weak forces between molecules

b)

Strong forces between molecules

c)

The covalent bonds are broken more easily than giant molecules.

d)

Weak ionic bonds

204.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
205.
In a covalent bond, one or more electrons are? 
a)
shared 
b)
lost 
c)
gained 
d)
transferred 
206.

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

207.
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.
208.
What does malleable mean?
a)
able to be shaped
b)
will break easily
c)
can be used for wire
d)
is shiny
209.
Which of these is NOT an alloy?
a)
bronze
b)
copper
c)
brass
d)
stainless steel
210.
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
211.
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
212.

How are elements organized in the periodic table ?

a)

Alphabetically

b)

Based on physical and chemical properties

c)

Increasing number of electrons

d)

Most reactive to least reactive

213.

Most elements on the periodic table are classified as ____________.

a)

Gases

b)

Metalloids

c)

Metals

d)

Nonmetals

214.

Groups on the periodic table are arranged...

a)

Vertically

b)

Horizontally

c)

Diagonally from bottom right corner

d)

Diagonally from top right corner

215.

Which accurately describes nonmetals?

a)

Poor conductors of electricity

b)

Often used in computer parts

c)

Both malleable and ductile

d)

Both dull and brittle

216.

Which group on the periodic table is the most reactive?

a)

Group 1

b)

Group 2

c)

Group 13

d)

Group 18

217.

What is the chemical symbol for Sodium?

a)

S

b)

So

c)

Na

d)

Ca

218.

A neutral atom of _____________ has 52 electrons.

a)

Chromium

b)

Tellurium

c)

Manganese

d)

Antimony

219.

Each horizontal row on the periodic table is called a what?

a)

Group

b)

Row

c)

Period

d)

Family

220.

Who arranged the periodic table of elements by the atomic mass (or mass number)?

a)

Democritus

b)

John Dalton

c)

Henry Moseley

d)

Dmitri Mendeleev

221.

Identify the unknown atom.

a)

Flourine

b)

Beryllium

c)

Boron

d)

Helium

222.

Choose ALL of the alkali metals (group 1) from the list below:

a)

lithium

b)

copper

c)

mercury

d)

potassium

e)

sodium

223.

What ions do Metals form when they react?

a)

Positive Ions

b)

Negative Ions

224.

Select all the properties of a Metal:

a)

Strong

b)

Malleable

c)

Conductive

d)

Brittle

225.

Select the 3 things that describe Group 1 Elements as you go DOWN the group:

a)

More Reactive

b)

Lower Melting/Boiling Point

c)

Higher relative atomic mass

d)

Less Reactive

e)

Higher Melting/Boiling Point

226.

Select the 3 things that describe Group 7 Elements as you go DOWN the group:

a)

More Reactive

b)

Lower Melting/Boiling Point

c)

Higher relative atomic mass

d)

Less Reactive

e)

Higher Melting/Boiling Point

227.

Which one describes a reaction between a Group 1 metal and Water?

a)

Vigorous Reaction to produce Hydrogen Gas and a Metal Hydroxide

b)

Vigorous Reaction when Heated to form Metal Chloride Salts

c)

Reacts to form a Metal Oxide

228.

Which one describes a reaction between a Group 1 metal and Oxygen?

a)

Vigorous Reaction to produce Hydrogen Gas and a Metal Hydroxide

b)

Vigorous Reaction when Heated to form Metal Chloride Salts

c)

Reacts to form a Metal Oxide

229.

What happens to the Boiling point of Nobel Gases as you go Down the Group?

a)

Increases

b)

Decreases

230.
What is formed when sodium reacts with water?
a)
sodium oxide and hydrogen
b)
sodium hydroxide and hydrogen
c)
sodium hydroxide and oxygen
d)
sodium hydroxide and carbon dioxide
231.
What is the symbol equation for the reaction between sodium hydroxide and water?
a)
2Na + 2H2O → 2NaOH + H2
b)
Na + H2O → NaOH + H
c)
Na + H20 → NaCl + CO2
d)
2Na + 2H2O → 2NaH2 + O2
232.
What is another name for the elements in group 7?
a)
The Halogens
b)
The Noble gases
c)
The Oxides
d)
The Alkali Metals
233.
When an alkali metal reacts with water, the hydroxide produced dissolves to form and alkaline solution, True or False?
a)
True
b)
False
234.
At room temperature, chlorine is...
a)
a yellow-green gas
b)
a brown gas
c)
a yellow-green liquid
235.

As you move down the group, halogens' reactivity...

a)

increases

b)

decreases

c)

doesn't change

d)

shows no trend.

236.

Which halogens can displace bromide ions to make bromine?

a)

Fluorine and iodine.

b)

Fluorine and bromine.

c)

Fluorine and chlorine

d)

Chlorine and iodine.

237.

A displacement reaction involves...

a)

a solution turning brown or yellow.

b)

a less reactive element taking the place of a more reactive element.

c)

a dislocated hip.

d)

a more reactive element taking the place of a less reactive element.

238.
What type of ions do the Group 7 elements make?
a)
positive 2 (+2)
b)
positive 1 (+1)
c)
negative 1 (-1)
d)
negative 2 (-2)
239.

Would a displacement reaction occur for Bromine + Potassium Iodide?

a)

Yes

b)

No

c)

Maybe

240.

How many electrons do the halogens all have in their outer shells?

a)

1

b)

2

c)

7

d)

8

241.

Would a displacement reaction occur for Iodine + Potassium Bromide?

a)

Yes

b)

No

c)

Maybe

242.

As you go down the group, how does the boiling point of the halogen elements change?

a)

Increases

b)

Decreases

c)

They're all about the same

243.
Which of these is not a noble gas?
a)
Helium
b)
Argon
c)
Nitrogen
d)
Krypton
244.

6.15: Which of these is not a property of noble gases?

a)

Colourless

b)

Odourless

c)

Flammable

d)

Gas at room temperature

245.
Name the group that contains inert (nonreactive) elements.
a)
noble gases
b)
halogens
c)
alkali metals
d)
alkaline earth metals
246.
Which of the following is a noble gas that is heavier than air?
a)
Hydrogen
b)
Helium
c)
Argon
d)
Sodium
247.

Which of the following has the lowest boiling point?

a)

Argon

b)

Krypton

c)

Xenon

d)

Helium

e)

Neon

248.

All noble gases have 8 electrons in their outer shell.

a)

True

b)

False

249.

What is the trend in boiling point for noble gases?

a)

There is no trend.

b)

Boiling point decreases down the group.

c)

Boiling point increases down the group.

d)

All the boiling points are the same.

250.
Another term for being chemically inactive is...
a)
Inert
b)
Inbert
c)
Insert
d)
Inmert
251.
Group 0 elements are non-metals - true or false?
a)
True
b)
False

Similar Resources on Wayground

bio end of year exam

253 questions

bio end of year exam

quiz

Worksheet

•

9th Grade - University