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Worksheets

Review

Total questions: 125

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

How atoms combine with other atoms based on the electrons on the outermost shell.

a)

reactivity

b)

element

c)

periodic table

d)

group

2.

A substance with characteristics of metals and nonmetals.

a)

metalloid

b)

element

c)

compound

d)

atom

3.

A pure substance that cannot be broken down into another kind of matter through physical or chemical means.

a)

element

b)

compound

c)

period

d)

group

4.

A column on the periodic table composed of elements that tend to have similar properties due to their number of valence electrons.

a)

group

b)

period

c)

metal

d)

nonmetal

5.

A substance that conducts heat and electricity well, is shiny, and is malleable.

a)

metal

b)

nonmetal

c)

atom

d)

element

6.

A substance that does not tend to conduct heat and electricity, is dull, and tends to crumble, break, or shatter when pounded.

a)

nonmetal

b)

metal

c)

group

d)

period

7.

A row on the periodic table that represents the number of energy levels an element's atoms have.

a)

period

b)

group

c)

element

d)

chemical formula

8.

The chart that lists all of the known elements and some of their properties.

a)

periodic table

b)

chemical formula

c)

element

d)

group

9.

Elements in a group have the same number of ___________.

a)

valence electrons

b)

protons

c)

neutrons

d)

energy levels

10.

Elements in a period have the same number of ___________.

a)

valence electrons

b)

protons

c)

neutrons

d)

energy levels

11.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
12.
The yellow atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
13.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
14.

Rows on the period table are called _____ while columns are called _____.

a)

groups, families

b)

groups, periods

c)

periods, groups

d)

families, groups

15.

What are valence electrons?

a)

Any of an atom's electrons

b)

Electrons located on the first energy level

c)

Electrons not attached to any atom

d)

electrons located on the outer energy level

16.

What period is Lead (Pb) in?

a)

6

b)

4

c)

Metals

d)

4A

17.

What group or family is lead in?

a)

6

b)

4

c)

Metal

d)

4A

18.

What category is silicon (Si) a part of?

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Halogens

19.

What Element is in period 4, group 5A?

a)

Antimony

b)

Arsenic

c)

Tin

d)

Germanium

20.

How many electrons does Barium (Ba) have?

a)

13

b)

2

c)

71

d)

56

21.

What is the ionic charge of Phosphorus (P)?

a)

+5

b)

-3

c)

+3

d)

-5

22.

How many electrons does a Strontium (Sr) ION have?

a)

38

b)

10

c)

8

d)

36

23.

How many neutrons does Bromine (Br) have?

a)

35

b)

80

c)

45

d)

7

24.

What period contains the element Plutonium (Pu)?

a)

8

b)

6

c)

7

d)

Plutonium doesn't exist

25.

How many electrons does a Radon (Rn) ION have?

a)

86

b)

8

c)

33

d)

Radon does not form an ion

26.

What group or family is Mercury (Hg) in?

a)

2B

b)

2A

c)

Metals

d)

Alkali metals

27.

What is group name of the most reactive metals?

a)

Noble gases

b)

Halogens

c)

Alkali metals

d)

Alkaline earth metals

28.

Why are halogens so reactive?

a)

They want to get rid of their only valance electron

b)

They only need one more electron

c)

They are non reactive, they have a full shell

29.

How many valence electrons does a carbon atom have?

a)

8

b)

4

c)

2

d)

6

30.

Which element conducts electricity the best?

a)

Silicon

b)

Fluorine

c)

silver

d)

Arsenic

31.
Which form of matter has a definite shape like this picture?
a)
liquid
b)
solid
c)
gas
d)
clay
32.
Which form of matter take the shape of a container like this juice?
a)
liquid
b)
solid
c)
glass
d)
gas
33.

Which form of matter fills the space like it does in the balloon?

a)

liquid

b)

string

c)

solid

d)

gas

34.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
35.
Things that take up space are called?
a)
Toys
b)
Liquids
c)
Matter
d)
Space
36.
How do you change a solid chocolate bar to liquid chocolate?
a)
By freezing it
b)
heat energy
c)
light energy
37.
The steam coming off the pot of boiling water is an example of....
a)
a solid becoming a liquid
b)
a liquid becoming a solid
c)
a liquid becoming a gas
d)
a gas becoming a liquid
38.
Which state of matter does ice start as (before you cool it)?
a)
liquid
b)
solid
c)
gas
39.
On a hot summer day chocolate candy can melt in your pocket.  How can you get the chocolate to return to a solid?
a)
add heat
b)
leave it in your pocket
c)
cool it in the refrigerator
d)
leave it outside
40.
True or False: Matter can changes states by adding heat or cooling.
a)
True
b)
False
41.
In which state of matter do the particles spread apart and fill all the space available to them?
a)
crystal
b)
liquid
c)
gas
d)
solid
42.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
43.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concenteraion gradient
44.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
45.

What is diffusion?

a)

when molecules move

b)

when molecules move from a high concentration to a low concentration

c)

no movement

d)

molecules move everywhere

46.
The horizontal row on the periodic table is called a
a)
group
b)
family
c)
period
d)
atomic number
47.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
48.

What is the chemical symbol for sodium?

a)

Na

b)

So

c)

NaCl

d)

S

49.
True or False? Neutrons have a negative charge
a)
True
b)
False
50.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
51.
Atoms have no electric charge because they...
a)
have an equal number of charged and non charged particles
b)
have neutrons in their nuclei
c)
have an equal number of electrons and protons
d)
have an equal number of neutrons and protons
52.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
53.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
54.
What is the smallest?
a)
worm
b)
molecule
c)
galaxy
d)
atom
55.

Isotopes are the atoms of the same element with the same number of.............. but different number of............

a)

electrons/neutrons

b)

neutrons/protons

c)

protons/neutrons

d)

electrons/protons

56.

Elements contain only one type of atoms.

a)

True

b)

False

57.
What is a pure substance made of two or more elements that are chemically combined called?
a)
A. element
b)
B. compound     
c)
C. mixture
d)
D. solution
58.
silver spoon
a)
A. MIXTURE
b)
B. COMPOUND
c)
C. ELEMENT
59.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
60.
NaHCO3 is an example of —
a)
an abbreviation
b)
a compound
c)
a mixture
d)
an element
61.
What is an example of an element?
a)
Oxygen
b)
Pure water
c)
Air
d)
Table salt
62.

How can you get salt from salty water?

a)

evaporate the water; then crystallisation

b)

condense the water; then crystallisation

c)

Filtration

63.

What separation method could you use to separate water from ink?

a)

filtration

b)

distillation

c)

electrolysis

64.

Mixtures can be separated using chromatography.

a)

True

b)

False

65.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

66.
A pure substance shows ------------------ spot on chromat gram
a)
0
b)
1
c)
2
d)
3
67.
Which element has an electron configuration of 2.5?
a)
Oxygen
b)
Nitrogen
c)
Phosphorus
d)
Carbon
68.
What is the electron configuration of sodium?
a)
2.8
b)
2.8.2
c)
2.8.1
d)
11
69.
Which element has the electron configuration of 2.7?
a)
Krypton
b)
Iodine
c)
Flourine
d)
Barium
70.
When an atom loses an electron, it becomes a:
a)
positive ion
b)
negative ion
c)
neutral ion
d)
neutral atom
71.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
72.

Nitrogen will ____ electrons to become stable (hint: nitrogen is in group 5).

a)

gain 1

b)

lose 1

c)

gain 3

d)

lose 3

73.

NaCl

a)

ionic bonding

b)

covalent bonding

74.
Is Hydrogen considered a metal or a non-metal?
a)
Metal
b)
Non-metal
75.

What two types of atoms make a covalent bond?

a)

2 Non-metals

b)

1 Non-metal and 1 Metal

c)

2 Metals

d)

2 Noble Gases

76.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When the atom shares an electron with an another atom
c)
When the two nucleus merge
d)
When the neutrons leave the nucleus
77.
What region of the periodic table contains atoms that form covalent bonds?
a)
the left side
b)
the middle
c)
the right side
d)
top left
78.

What is the mass number of magnesium?

a)

2

b)

4

c)

12

d)

24

79.

What is the relative molecular mass of fluorine gas, F2?

F = 19

a)

19

b)

38

c)

9

d)

18

80.

What is the relative formula mass of NaOH?

Na = 23

O = 16

H = 1

a)

20

b)

39

c)

40

d)

45

81.

Which alkali metal is most reactive out of the following?

a)

lithium

b)

potassium

c)

sodium

82.

How many electrons do the alkali metals have in their outer shell? (hint: alkali metals are in group 1)

a)

1

b)

2

c)

8

d)

7

83.

What happens to the reactivity of the alkali metals as you move down the group?

a)

increases

b)

decreases

84.

Which alkali metal reacts with water to produce a violet flame?

a)

K

b)

Na

c)

Li

d)

DuNo

85.

Which gas is released when the alkali metals react with water?

a)

hydrogen

b)

oxygen

c)

hydroxide

d)

carbon dioxide

86.

Which of the "Halogens" is found in liquid state at room temperature?

a)

Flourine

b)

Astatine

c)

Iodine

d)

Bromine

87.

Which of the "Halogens" has yellowish green color?

a)

Chlorine

b)

Bromine

c)

Flourine

d)

Iodine

88.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
89.
What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?
a)
1%
b)
21%
c)
78%
d)
90%
90.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
91.
a)
A
b)
B
c)
C
d)
D
92.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
93.

A(n) ______ is a substance with a pH less than 7

a)

Acid

b)

Alkali

c)

Base

d)

Buffer

94.

A(n) _______ is a substance with a pH greater than 7.

a)

Alkali

b)

Acid

c)

Buffer

d)

Water

95.

When you add an universal indicator to an acid, it will change its colour to

a)

Red

b)

Blue

c)

Yellow

d)

Green

96.

HCl, Sprite & Lemon Juice are all...

a)

Acidic

b)

Alkaline

c)

Neutral

97.

Which is an alkali?

a)

sodium hydroxide

b)

HCl

c)

H2SO4

d)

kerosene

98.

Adding a few drops of an universal indicator to an alkali will change its colour to

a)

Red

b)

Purple

c)

Yellow

d)

Green

99.

The laboratory test for oxygen is that

a)

it relights a glowing splint

b)

it relights a burning splint

c)

it changes lime water to milky

d)

it makes a glowing splint go out

100.

Bleaches damp litmus paper

a)

Chlorine

b)

Oxygen

c)

Hydrogen

d)

Water

101.

Turns limewater milky

a)

Hydrogen

b)

Oxygen

c)

Ammonia

d)

Carbon dioxide

102.

Makes a squeaky pop sound when lit

a)

Hydrogen

b)

Oxygen

c)

Chlorine

d)

Ammonia

103.

Crude oil is a a mixture of hydrocarbons

a)

True

b)

False

104.

Bitumen

a)

jet fuel

b)

fuel for cars

c)

for surfacing roads

d)

fuel for lorries

105.

kerosene

a)

jet fuel

b)

fuel for cars

c)

for surfacing roads

d)

fuel for lorries

106.

Fuel oil

a)

jet fuel

b)

fuel for cars

c)

for surfacing roads

d)

fuel for lorries

107.

What is the electron configuration of the ion that this atom would form?

a)

2,8,2

b)

2,8,1

c)

2,8

d)

2,8,8

108.

What is the correct description of this atom?

a)

It has an atomic number of 3, and an atomic mass of 5

b)

It has an atomic mass of 6, and an atomic number of 6

c)

It has an atomic number of 3, and an atomic mass of 6

d)

It has an atomic mass of 6, and an atomic number of 9

109.

Which of these equations is correctly balanced?

a)

Mg + O2 → 2MgO

b)

2Mg + O2 → MgO

c)

2Mg + O2 → 2MgO

d)

Mg + O2 → MgO

110.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

111.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

112.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

113.

What is the mass number of this atom?

a)

1

b)

2

c)

3

d)

4

114.

What is the relative molecular mass of CO2?

C= 12

O= 16

a)

12

b)

16

c)

32

d)

44

115.

What is the RFM of K2S?

K= 39

S= 32

a)

110

b)

120

c)

78

d)

140

116.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
117.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
118.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
119.
Which formula represents an unsaturated hydrocarbon?
a)
A
b)
B
c)
C
d)
D
120.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
121.

You add bromine water to a saturated hydrocarbon. The bromine water:

a)

stays the same (remains orange/brown)

b)

goes colourless

122.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
123.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
124.

What type of elements will form an ionic bond?

a)

Metal + Metal

b)

Non-metal + Non-metal

c)

Metal + Non-metal

d)

None of the above

125.

Which picture is a mixture?

a)

A

b)

B

c)

C

d)

D

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