Free Printable Science 9 Chemistry Review

1.

What is the name of this molecule? (black is carbon, white is hydrogen)

a)

carbon hydride

b)

tricarbon hexahydride

c)

tricarbon octatahyride

d)

triplecarbon octahydride

2.

Which of the following could compounds could be represented by the molecule in the picture?

a)

NaCl

b)

CrCl₂

c)

Na₃P

d)

CaO

3.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

4.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

5.

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

6.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

7.

phosphorus trichloride

a)

KCl₃

b)

PCl₃

c)

K₃Cl

d)

P₃Cl

8.

silicon dioxide

a)

SO₂

b)

NaO₂

c)

SiO₂

d)

SiO

9.

diphosphorus pentoxide

a)

P₂O₅

b)

PO₅

c)

P₅O₂

d)

P₂O₆

10.

SiCl₄

a)

silicon tetrachloride

b)

silicon quadchloride

c)

monosilicon tetrachloride

d)

silicon chloride

11.

The name of SO₃ compound is

a)

sulfate

b)

sulfur oxide

c)

sulfur trioxide

d)

monosulfur trioxide

12.

What is the correct formula for the compound, lithium oxide?

a)

LiO

b)

Li₂O

c)

LiO₂

d)

Li₂O₂

13.

What is the formula for manganese(III) oxide?

a)

MgO

b)

Mg₂O₃

c)

MnO

d)

Mn₂O₃

14.

The chemical formula of Iron (III)bromide is

a)

FeBr

b)

Fe(III)Br

c)

FeBr₃

d)

Fe₂Br₃

15.

How do the following two elements bond together?
Cr³⁺ O^2-

a)

CrO

b)

Cr₃O₂

c)

Cr₂O₃

d)

CrO₃

16.

How do the following two elements bond together?
K¹⁺ S^2-

a)

KS

b)

K₈S

c)

K₆S₃

d)

K₂S

17.

Choose which one is a physical property

a)

Flammability

b)

Solubility

c)

Water Reaction

d)

Magic

18.

Choose the one that is a chemical property

a)

Magnetism

b)

Size

c)

Color

d)

Reactivity with water

19.

If you describe a substance as being corrosive, you have given a __________ property of that substance

a)

Chemical

b)

Large

c)

Physical

d)

Thermal

20.

Which of the following statements is accurate?

a)

After observing a chemical property, the substance remains the same as before

b)

All metals have the same physical properties

c)

When you see water turn into steam, you have observed a chemical property

d)

A physical property can change without causing a change in the chemical identity of the substance

21.

What is the outcome of observing a chemical property?

a)

Nothing

b)

A new substance is formed with different properties

c)

NaCl

d)

A rise in thermal conductivity

22.

Which of these statements best describes a chemical property of a substance?

a)

It reacts with an acid to form water

b)

The object has a blue color

c)

The substance has a powdery texture

d)

It has a density of 2.11 g/cm³

23.

Choose whether the following is a physical or chemical property: Malleability

a)

Physical

b)

Chemical

24.

Choose whether the following is a physical or chemical property: Reacts with oxygen

a)

Physical

b)

Chemical

25.

Choose whether the following is a physical or chemical property: Magnetic

a)

Physical

b)

Chemical

26.

Choose whether the following is a physical or chemical property: Non-flammable

a)

Physical

b)

Chemical

27.

Which of the following could indicate that a chemical change took place?

a)

Change in color

b)

Production of Energy

c)

Formation of Gas

d)

All are correct

28.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

29.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

30.

Identify what type of change happening in the picture below...

a)

Chemical Reaction

b)

Physical Change

c)

Change in State

d)

Change in appearance only

31.

Which of the following is an example of a physical change?

a)

A glass falling and shattering on the floor.

b)

Baking a birthday cake.

c)

Burning a piece of paper.

d)

Baking soda and vinegar mixing together.

32.

Which is not a clue that could indicate a chemical change has occurred?

a)

Change in color

b)

Change in shape

c)

Release of energy

d)

Formation of an odor

33.

During Chemical Reactions, the new substances created are called?

a)

Precipitate

b)

Corrosion

c)

Reactants

d)

Products

34.

During Chemical Reactions, the substances that are used are called?

a)

Precipitate

b)

Corrosion

c)

Reactants

d)

Products

35.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

36.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Elements and Compounds

d)

Mixture of Elements

37.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Elements & Compounds

d)

Mixture of Compounds

38.

Classify the picture with the correct label.

a)

Mixture of Elements

b)

Compound

c)

Mixture of Compounds

d)

Element

39.

Classify the picture with the correct label.

a)

Element

b)

Compound

c)

Mixture of Compounds

d)

Mixture of Elements

40.

The property of metals by which they can be beaten in to thin sheets is called

a)

Sonority

b)

Malleability

c)

Ductility

d)

None of the above

41.

The property of metals by which it can be drawn into wires is

a)

Malleability

b)

Sonority

c)

Lustrous

d)

Ductility

42.

Metals are good conductor of

a)

Only heat

b)

Only electricity

c)

Heat and electricity both

d)

None of the above

43.

Examples of metals.

a)

Gold

b)

Silver

c)

Aluminium

d)

All of the these

44.

Examples of non-metals.

a)

Carbon

b)

Oxygen

c)

Sulphur

d)

All of these

45.

Non-metals are found in solid, liquid and gas states.

a)

True

b)

False

46.

Sulfur is a ___.

a)

metal

b)

non-metal

47.

Most metals are solid at room temperature

a)

False

b)

True

48.

Which of these is a property of metals?

a)

It's malleable

b)

It can't conduct electricity

c)

They are used in food

d)

It's very brittle

49.

Which of the following is a property of a non-metal?

a)

Conducts electricity and heats well

b)

Can be hammered into thin sheets

c)

Is brittle and breaks easily

d)

Has a shiny, metallic luster

50.

The word “luster” refers to which property of matter?

a)

The ability to conduct electrical or thermal energy

b)

Capable of being drawn out into thin wires

c)

The way a surface appears when it reflects light

d)

Suitable for being shaped by beating or rolling

51.

Fluorine is used in many tooth pastes because it helps maintain healthy teeth. At room temperature it is gaseous, and does not conduct electricity. Based off these properties, it would be classified as?

a)

A metal

b)

A non metal

c)

A metalloid

52.

Where are the non-metallic elements found in the periodic table?

a)

In the middle

b)

In the top rows

c)

On the left-hand side

d)

On the right-hand side

53.

a)

Periods

b)

Groups

54.

a)

Periods

b)

Groups

55.

a)

energy levels

b)

valence electrons

c)

protons

d)

neutrons

56.

a)

energy levels

b)

valence electrons

c)

protons

d)

neutrons

57.

a)

Group 1

b)

Group 17

c)

Group 2

d)

Group 18

58.

a)

Group 1

b)

Group 17

c)

Group 18

d)

Group 2

59.

a)

Group 1

b)

Group 17

c)

Group 18

d)

Group 2

60.

a)

Metals

b)

Nonmetals

c)

Metalloids

61.

a)

Metals

b)

Nonmetals

c)

Metalloids

62.

a)

Metals

b)

Nonmetals

c)

Metalloids

63.

What does the number of proton tell us?

a)

electrons

b)

atomic number

c)

atomic mass

d)

neutrons

64.

How do you calculate the number of neutrons? *

a)

Mass = Atomic number - Neutrons

b)

Mass - Atomic number = Neutrons

c)

Atomic number = Neutrons

65.

How many protons and electrons does nickel have?

a)

28

b)

58.69

66.

This element has two valence electrons and two energy levels?

a)

Beryllium (Be)

b)

Lithium (Li)

c)

Zinc (Zn)

67.

How many valence electrons and energy levels does (Pb) lead have?

a)

4 valence electrons and 6 energy levels (orbitals)

b)

6 valence electrons and 4 energy levels (orbitals)

c)

5 valence electrons and 5 energy levels (orbitals)

d)

5 valence electrons and 10 energy levels (orbitals)

68.

A neutron has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

69.

A proton has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

70.

An electron has what charge?

a)

Positive

b)

Negative

c)

It has no charge (it is neutral)

71.

What is the atomic # of iron?

a)

55

b)

56

c)

26

d)

2

72.

How many protons does krypton have?

a)

84

b)

36

c)

48

d)

8

73.

How many electrons does oxygen have?

a)

8

b)

16

c)

2

d)

15

74.

How many neutrons does lithium have?

a)

3

b)

4

c)

6

d)

7

75.

How many neutrons are in magnesium?

a)

12

b)

24

c)

25

d)

36

76.

How many neutrons does beryllium have?

a)

4

b)

5

c)

9

d)

13

77.

How many electrons does helium have?

a)

2

b)

4

c)

6

d)

8

78.

A higher reaction rate means...

a)

the reaction takes less time

b)

the reaction takes more time

c)

more reactants are used

d)

less reactants are used

79.

Which of the following will result in a faster reaction rate?

a)

high surface area

b)

low temperature

c)

low concentration

d)

high volume

80.

Which one has the larger surface area?

a)

Large chunks

b)

Small chunks

c)

Powder

81.

A 50 g large chunk of salt, 50 g of small chunks of salt, and 50 g of powdered salt are each dissolved in 500 mL of water. The time it takes for the salt to dissolve is measured. Which is the manipulated variable?

a)

Surface area

b)

Temperature

c)

Amount of water

d)

Mass of salt

e)

Time

82.

A 50 g large chunk of salt, 50 g of small chunks of salt, and 50 g of powdered salt are each dissolved in 500 mL of water. The time it takes for the salt to dissolve is measured. Which is the responding variable?

a)

Surface area

b)

Temperature

c)

Amount of water

d)

Mass of salt

e)

Time

83.

How many atoms and elements, respectively, does Ca₃(PO₄)₂ have?

a)

3, 13

b)

3, 5

c)

4, 13

d)

4, 11

84.

How many atoms and elements, respectively, does LiOH have?

a)

2, 2

b)

2, 3

c)

3, 3

d)

3, 2

85.

Translate the word equation below.

Aluminum and Hydrochloric Acid (HCl) react to form Aluminum Chloride and Hydrogen

a)

$Al\ +\ HCl\ \rightarrow\ AlCl_3\ \rightarrow\ H_2$

b)

$Al\ +\ HCl\ \rightarrow\ AlCl\ +\ H_2$

c)

$Al\ +\ HCl\ \rightarrow\ AlCl_3\ +\ H_2$

d)

$Al\ +\ HCl\ \rightarrow\ AlCl\ +\ H$

86.

Translate the word equation below.

Carbon Dioxide and Water react to form Glucose (C₆H₁₂O₆) and Oxygen.

a)

$CO_2\ +\ H_2O\ \rightarrow\ C_6H_{12}O_6\ +\ O_2$

b)

$CO_2\ +\ H_2O\ +\ C_6H_{12}O_6\ \rightarrow\ O_2$

c)

$CO_2\ +\ H_2O\ \rightarrow\ C_6H_{12}O_6\ +\ O_{ }$

d)

$CO_2\ \rightarrow\ H_2O\ +\ C_6H_{12}O_6\ +\ O_2$

87.

Which is the correct chemical equation for the following: Solid Zn reacts with silver (I) chloride to produce Zinc (II) chloride and silver metal

a)

Zn + AgCl → ZnCl₂+ Ag

b)

ZnCl₂ + Ag → Zn + AgCl

c)

ZnCl2 + Ag₂ → Zn + AgCl

d)

Zn₂Cl + Ag → Zn + AgCl

88.

Which is NOT a diatomic molecule?

a)

Fluorine

b)

Nitrogen

c)

Boron

d)

Bromine

89.

Magnesium can be burned in oxygen to produce solid magnesium oxide.

a)

Mg(s) + O₂(g)→ MgO(s)

b)

Mg(s) + O(g) → MgO(s)

c)

Mg(s) + CO₂(g)→ MgO(s) + C(s)

d)

Mg(s) + O₂(g)→ Mg₂O₂(s)

90.

Is this equation balanced?

a)

Yes

b)

No

91.

Is this equation balanced?

a)

Yes

b)

No

92.

Which of the following describes covalent bonds?

a)

Bonds form because of opposite charges

b)

electrons are shared to fill outer electron shells

c)

Electrons are transferred between atoms

d)

Covalent bonds are magical

93.

Ionic Bonding involves...

a)

The transfer of protons

b)

The transfer of nuetrons

c)

The transfer of electrons

d)

None Of the above

94.

Some are solids, some are liquids, and some are gases at room temperature.

a)

ionic compounds

b)

molecular compounds

95.

When dissolved in water, the solution is a good conductor of electricity.

a)

ionic compounds

b)

molecular compounds

96.

When dissolved in water, the solution does NOT conduct electricity.

a)

ionic compounds

b)

molecular compounds

97.

Italian Salad Dressing is a . . .

a)

heterogeneous mixture

b)

homogeneous mixture

c)

Pure Substance

d)

Compound

98.

Food coloring in water

a)

mixture

b)

substance

99.

Chunky salsa

a)

homogeneous

b)

heterogeneous

c)

element

d)

compound

100.

Copper pipe (Cu)

a)

homogeneous

b)

heterogeneous

c)

element

d)

compound

101.

Sulphur (S)_

a)

homogeneous

b)

heterogeneous

c)

element

d)

compound

102.

Baking soda (CaCO₃)

a)

homogeneous

b)

heterogeneous

c)

element

d)

compound

103.

Corrosion is _______ than combustion. Both are _________ reactions.

a)

slower, endothermic

b)

faster, endothermic

c)

slower, exothermic

d)

faster, exothermic

104.

20 g of vinegar mixes with 15 g of baking soda. Bubbling appear and the products are measured to be 28 g. What is the mass of carbon dioxide produced?

a)

7 g

b)

28 g

c)

20g

d)

15 g

105.

Which is endothermic?

a)

cold pack

b)

fireworks

c)

rusting

d)

glowstick

106.

Which element is always needed for combustion?

a)

nitrogen

b)

carbon

c)

oxygen

d)

hydrogen

107.

Which of the following is quantitative? (more than 1 answer)

a)

colour

b)

density

c)

mass

d)

mallebility

e)

texture

108.

When a reaction produces heat or light, energy is _________ and is called an _________ reaction.

a)

released, exothermic

b)

released, endothermic

c)

absorbed, endothermic

d)

absorbed, exothermic

109.

When a reaction feels cold, energy is _________ and is called an _________ reaction.

a)

released, exothermic

b)

released, endothermic

c)

absorbed, endothermic

d)

absorbed, exothermic

Science 9 Chemistry Review

Total questions: 109

Worksheet time: 2hrs 55mins

Similar Resources on Wayground