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IP2 Chemistry Review Quiz

Total questions: 84

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

What is a chemical bond?

a)

An electrostatic force of attraction that holds two or more atoms together

b)
A type of glue used in chemistry labs
c)
A secret agent in chemistry
d)
A type of chemical reaction
2.
Some elements combine chemically and no longer have the same ________________ they did before forming a compound.
a)
valence electons
b)
energy
c)
properties
d)
group number
3.
A _________________ is composed of symbols and subscripts indicating the number of atoms of an element in a compound.
a)
Chemical Equation
b)
Chemical Reaction
c)
Synthesis Reaction
d)
Chemical Notation
4.
Atoms gain lose, gain, or ______electrons to get a stable outer energy level.
a)
share
b)
split
c)
create
d)
destroy
5.

When does an atom become an ion?

a)

When it gains or loses electrons and takes on a charge.

b)

When it is stable because it has a full set of valence electrons.

c)

When it forms a compound with another atom.

6.

If an atom ​ (a)   electrons, it will become negative.

If an atom ​ (b)   electrons, it will become positive.

Choose from the below words
gains
loses
destroys
creates
7.

How many oxygen are in one unit of the compound Fe2O3Fe_2O_3  ?

(a)  

8.

How many electrons do most elements want to have in their outer shell to be stable?

(a)  

9.

What combination of elements will form a covalent compound?

a)

Metal and metal.

b)

Metal and nonmetal.

c)

Nonmetal and nonmetal.

10.

What is the correct name for the compound MgI2MgI_2  

a)

magnesium iodide

b)

magnesium diiodide

c)

monomagnesium diiodide

11.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
12.
What are valence electrons?
a)
sum of the protons and neutrons
b)
protons minus electrons
c)
electrons in the inner shells
d)
electrons in the outer shell
13.
If an atom gains two electrons what charge will it have?
a)
-2
b)
-1
c)
+1
d)
+2
14.
How many valence electrons does oxygen have?
a)
2
b)
4
c)
5
d)
6
15.

Ionic bonds happen when valence electrons are

a)

shared

b)

too heavy

c)

transferred

16.

Which type of bonds create compounds?

a)

covalent bonds

b)

ionic bonds

c)

metallic bonds

d)

all type of bonds

17.

How many different elements are in the C6H12O6

a)

3

b)

6

c)

12

d)

24

18.

How many total atoms are in C6H1206

a)

3

b)

6

c)

12

d)

24

19.

What type of bond forms CaF2

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

all answers are correct

20.

What is the charge of an aluminum ion that has 13 protons and 10 electrons?

a)

3+

b)

3 -

c)

no charge

21.

Is this equation balanced? C3H8 + 5O2 = 4H2O + 3CO2

a)

yes

b)

no

22.

In order for a chemical reaction to occur,

a)

there must be an explosion or fire

b)

bubbling or gas must be produced

c)

a new substance must be formed

d)

the substance must turn color

23.

After a chemical reaction occurs, atoms are not created nor destroyed,

a)

just rearranged into a new substance

b)

just changed into different elements

c)

just turned into unstable elements

24.

Compounds that share specific valence electrons are formed by

a)

covalent bonds

b)

ionic bonds

c)

metallic bonds

d)

all types of bonds

25.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

26.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

27.

How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.

a)

lose 5

b)

gain 5

c)

lose 3

d)

gain 3

28.

How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.

a)

lose 1

b)

gain 1

c)

lose 2

d)

gain 2

29.

If an atom loses electrons, the charge will be positive.

a)

true

b)

false

30.

Correct diagram for CO2CO_2  

a)
b)
c)
31.

Correct diagram for HF

a)
b)
c)
d)
32.

Correct diagram for  N2N_2  

a)
b)
c)
d)
33.

Correct diagram for O2

a)
b)
c)
d)
e)
34.

Correct diagram for CaF2

a)
b)
c)
35.

The name of FeCl₂ is

a)

iron chloride

b)

iron(II) chloride

c)

iron(I) chloride

d)

iron dichloride

36.

LiBr is called

a)

lithium bromine

b)

lithium(I) bromine

c)

lithium bromide

d)

lithuim(I) bromide

37.

Name the following ionic compound: BeCl2

a)

beryllium chlorine

b)

beryllium(II) chloride

c)

beryllium chloride

d)

beryllium dichloride

38.

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

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfuroxide

39.

What is the name of the compound Sc(OH)3?

a)

Scandium(III) hydroxide

b)

Scandium(I) hydroxide

c)

Scandium(II) hydroxide

d)

Scandium hydroxide

40.

The pH of pure water

a)

5.6

b)

7.0

c)

8.1

d)

0.0

41.

The color of litmus in acid:

a)

Red

b)

Blue

c)

Purple

d)

Green

42.

Which substance is acid?

a)

Toothpaste

b)

Vinegar

c)

Soap

d)

Ammonia

43.

The color of litmus in alkali:

a)

Red

b)

Blue

c)

Purple

d)

Green

44.

The color of universal indicator in pure water:

a)

Red

b)

Blue

c)

Purple

d)

Green

45.

Acids taste .....

a)

sour

b)

bitter

c)

sweet

d)

umami

46.

Rain water is slightly acidic. What is its pH?

a)

1.0

b)

5.6

c)

7.0

d)

8.2

47.

Reaction between acid and alkali producing salt and water:

a)

Combustion

b)

Neutralization

c)

Precipitation

d)

Decomposition

48.

Something that can be used to identify acid/alkali:

a)

Indicator

b)

Oxidator

c)

Reductor

d)

Terminator

49.

The color of universal indicator in hydrochloric acid:

a)

Red

b)

Blue

c)

Purple

d)

Green

50.

The color of universal indicator in sodium hydroxide:

a)

Red

b)

Yellow

c)

Purple

d)

Green

51.

pH of alkali:

a)

0

b)

7

c)

below 7

d)

above 7

52.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
53.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
54.

Acids are source of

a)

hydrogen ions

b)

hydroxide ions

55.

Alkalis are source of

a)

hydrogen ions

b)

hydroxide ions

56.

Which of the following is NOT an acid?

a)

HCl

b)

CH3COOH

c)

C2H6

d)

H2SO4

57.

Which of the following metals has NO reaction with a dilute acid?

a)

Copper

b)

Zinc

c)

Calcium

d)

Iron

58.

Which of the following gas will be formed when sodium hydrogencarbonate reacts with dilute hydrochloric acid?

a)

Hydrogen

b)

carbon dioxide

c)

Oxygen

d)

Nitrogen

59.

What are the products formed when calcium carbonate reacts with hydrochloric acid?

a)

calcium chloride

b)

carbon dioxide

c)

hydrogen

d)

water

60.

What is the chemical test and observation for carbon dioxide gas?

a)

Glowing splint relights.

b)

Lighted splint extinguishes with a 'pop' sound.

c)

Moist red litmus paper turns blue.

d)

White precipitate formed in limewater.

61.

What are the formula of the products formed when zinc reacts with hydrochloric acid?

a)

ZnCl

b)

ZnCl2

c)

H2

d)

H2O

e)

CO2

62.

What is the chemical test and observation for Hydrogen gas?

a)

Glowing splint relights.

b)

Lighted splint extinguishes with a 'pop' sound.

c)

Moist red litmus paper turns blue.

d)

Moist blue litmus paper turns red.

63.

Complete the sentences below.

 

A change in which no new substances are formed is called a __________ change.

 

A change in which new substances are formed is called a ___________ change.

Answer format: Answer 1; Answer 2



(a)  

64.

Which of the following statement(s) is/are true about chemical changes? You may select more than one statement.

a)

New substance(s) is/are formed.

b)

The substances that react with one another are known as the “products”.

c)

Chemical changes are usually not reversible.

d)

Energy may be taken in or given out during chemical changes.

65.

In a chemical reaction, the substances that react with each other are called the _____ . The new substances that are formed are called the _____ .

a)

products; reactants

b)

reactants; products

66.

The word equation for respiration is provided below.

 

glucose + oxygen →\rightarrow   carbon dioxide + water

Which of the following is/are the reactant(s)? 

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

water

67.

Which of the following statements about all chemical reactions is true? 

a)

Atoms are lost in a chemical reaction.

b)

Atoms are formed in a chemical reaction.

c)

A chemical reaction involves the rearrangement of atoms to form products.

d)

Mass is not conserved in a chemical reaction. 

68.

Which of the following statements correctly describes combustion?

a)

Combustion is a chemical change in which a substance is heated in the presence of carbon dioxide.

b)

Combustion is a physical change in which a substance is heated in the presence of carbon dioxide.

c)

Combustion is a chemical change in which a substance is heated in the presence of oxygen.

d)

Combustion is a physical change in which a substance is heated in the presence of oxygen.

69.

Explain why heating a metal sphere is considered a physical change and not a chemical change.

4 lines
70.

This change is a

a)

chemical reaction

b)

physical change

c)

musical change

d)

Ice Ice baby

71.

How is a chemical change different from a physical change?

a)

there is no difference

b)

a physical change creates a new substance

c)

a chemical change creates a new substance

72.

A precipitate is a ___________ that forms when 2 liquids react together.

a)

solid

b)

liquid

c)

gas

d)

plasma

73.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
74.

Is glass breaking a chemical or physical change?

a)
chemical
b)
physical
75.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
76.
Salt dissolves in water
a)
physical Change
b)
chemical change
77.

A physical change is a change

a)

in an item's properties like its shape, size or density.

b)

that creates a new substance or emits light or heat

c)

that creates a smell

d)

that cannot be undone

78.

A green powder is heated & a gas is given off while it turns to a black solid. This describes

a)

Physical Change

b)

Chemical Change

c)

Change in State

d)

Change in Temperature

79.

What is the Law of Conservation of Mass?

a)

It states that matter cannot be created or destroyed.

b)

It states that energy cannot be created or destroyed.

c)

It states that matter can be created or destroyed.

d)

It states that sound can be created or destroyed.

80.
What coefficient should be used to make the following equation balanced?
N2+O2--> _NO 
a)
1
b)
2
c)
3
d)
4
81.
Which problem is balanced?
(Check ALL answers)
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
82.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
83.
How many HCl molecules do you need to balance this equation? 
Mg +  __HCl --->  MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
84.

Balance this equation

_Al +_HCl --> _H2 +_AlCl3

a)

2,6,3,2

b)

it's already balanced

c)

4,12,3,4

d)

2,1,4,5

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