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Chemistry Final Review

Total questions: 119

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

Define Matter

a)

Only things that you can touch

b)

Anything that has volume and mass

c)

Anything that can be seen

d)

All of the above

2.

What is the volume of a substance

a)

How much space a substance occupies

b)

How heavy a substance is

c)

How much matter a substance has

d)

Volume is how much water a substance contains

3.

Which of these is an intensive property

a)

length

b)

density

c)

volume

d)

mass

4.

What is the correct way to represent a solution of copper(II) nitrate?

a)

Cu(s)

b)

Cu(aq)

c)

Cu(No2)3(aq)

d)

Cu(NO3)2 (aq)

5.

Which is a sign of a chemical reaction

a)

A solid dropped into a beaker of liquid and a gas is released

b)

Two liquids are mixed in a beaker and a solid forms at the bottom

c)

A solid is dropped into a beaker of liquid and an explosion occurs

d)

All of the above

6.

Iodine can be found in what section of the periodic table

a)

Halogens

b)

noble gases

c)

transition elements

d)

alkaline earth metals

7.

Which statement describes a proton

a)

The dense, positively charged structure found in the center of an atom

b)

A particle that doesn't have a charge found in the nucleus of an atom

c)

A particle with a positive charge found in the nucleus of an atom

d)

A particle with a negative charge found outside the nucleus of an atom

8.

Which statement describes a neutron

a)

A particle with a positive charge found in the nucleus of an atom

b)

A particle with a negative charge found outside the nucleus of an atom

c)

A particle that does not have a charge found in the nucleus of an atom

d)

A dense positively charged structure found in the center of the atom

9.

Which statement describes an electron?

a)

The dense positively charged structure found in the center of the atom

b)

A particle that doesn't have charge found in the nucleus of an atom

c)

A particle with a negative charge found outside the nucleus of an atom

d)

A particle with a positive charge found in the nucleus of an atom

10.

Which statement describes the nucleus of an atom?

a)

The dense, positively charged structure found in the center of an atom

b)

A proton with a positive charge attached to a nucleus

c)

A particle with no charge found in the nucleus of an atom

d)

A particle with a negative charge found in the center of an atom

11.

Which particles account for most of the mass of an atom

a)

Electrons, neutrons, and protons

b)

Electrons and neutrons

c)

Protons and neutrons

d)

protons and electrons

12.

The atomic number for boron is 5. The average atomic mass is 10.81 amu. What does this indicate about the number of neutrons in boron atoms.

a)

There are 10.81 neutrons in each atom

b)

Some atoms have 10 neutrons and some have 11 neutrons

c)

There are 5.81 neutrons in each atom

d)

Some atoms have 5 neutrons and some have 6 neutrons

13.

How many neutrons do you need to make a stable isotope with 50 protons

a)

less than 50

b)

exactly 50

c)

more than 50

d)

at least 100

14.

Which statement is true about beta decay

a)

After going through beta decay, the number of protons of an atom decreases

b)

After going through beta decay, the mass number of an atom decreases

c)

After going through beta decay, the number of neutrons of an atom increases

d)

After going through beta decay, the number of protons of an atom increases

15.

When an atom goes through Alpha decay...

a)

the number of protons increases

b)

The mass number increases

c)

the number of neutrons of an atom increases

d)

the mass number decreases

16.

The process of two nuclei combining to make a new element is called...

a)

A chain reaction

b)

a compund

c)

nuclear fusion

d)

Nuclear fission

17.

How do you find density?

a)

Density is equal to mass

b)

Density is equal to M/V

c)

Density is equal to V/M

d)

Density is equal to mass+volume

18.

How many bonds does a hydrogen atom usually form in a covalent bond?

a)

1

b)

2

c)

3

d)

4

19.

Based on it's name and chemical formula, predict the smell of ethyl acetate C5H10O2

a)

Sweet

b)

Minty

c)

Putrid

d)

Fishy

20.

Which smell has a long stringy structure

a)

Sweet

b)

Fishy

c)

Camphor

d)

Minty

21.

Which smell has a pan like structure

a)

Sweet

b)

Camphor

c)

Minty

d)

Fishy

22.

How many bonds does a carbon atom form in a covalent bond

a)

1

b)

2

c)

3

d)

4

23.

Which is most likely to exist in nature?

a)

CH

b)

CH2

c)

CH3

d)

CH4

24.

Which two substances make an ester?

a)

Ketone+alcohol

b)

Alcohol+amine

c)

Carboxylic acid+alcohol

d)

carboxylic acid+ketone

25.

Why does the foul smell of acetic acid disappear when you mix it with ethanol and heat it up?

a)

Ethanol is stronger than butyric acid, so it masks the smell

b)

The acetic acid gets diluted by the ethanol

c)

A chemical reaction takes place creating a new molecle

d)

The acetic acid gets boiled away

26.

Which of the following is a major factor that contributes to the shape of a moleucule?

a)

Electron domains are separated as much as possible

b)

Electron domains on different atoms are attracted to one another

c)

Atoms try to seperate themselves as much as possible

d)

How many atoms are in that molecule

27.

Which molecule has a trigonal pyramidal shape?

a)

N2

b)

CH4

c)

NI3

d)

CCl4

28.

Which of the following will have a bent shape?

a)

OF2

b)

PH3

c)

SiCl4

d)

C2H2

29.

What scent creates a ball like structure and has 1 oxygen

a)

Sweet

b)

Camphor

c)

Minty

d)

Sour

30.

Which of the following has a trigonal planar shape?

a)

CH2O

b)

H2O

c)

NH3

d)

CO2

31.

Which functional group is generally associated with molecules that have a putrid smell

a)

Ketone

b)

Hydroxyl

c)

Carboxyl

d)

ester

32.

You can only smell molecules when they are in what phase?

a)

Solid

b)

Liquid

c)

Gas

d)

Aqueous

33.

True or False: Water is Polar?

a)

True

b)

False

34.

Which phrase describes the distribution of charge and polarity of a H2O molecule?

a)

Symmetrical and polar

b)

Asymmetrical and polar

c)

Symmetrical and nonpolar

d)

Asymmetrical and nonpolar

35.

At what electronegativity difference between atoms is a bond considered ionic?

a)

Greater than 0.5

b)

Less than 2.1

c)

Less than 0.5

d)

Greater than 2.1

36.

Where are the atoms with the lowest electronegativity values located?

a)

Upper left corner of the periodic table

b)

Lower right corner of the periodic table

c)

Upper right corner of the periodic table

d)

Lower left corner of the periodic table

37.

In a polar covalent bond, the electrons....

a)

Are shared equally

b)

Are shared unequally

c)

Are not shared

d)

form lone pairs

38.

Which of these is most likely to smell?

a)

Small polar moelcules

b)

Large polar molecules

c)

Small nonpolar molecules

d)

Large nonpolar molecules

39.

Molecules that have the same chemical formula, but atoms arranged in a different order are

a)

isotopes

b)

atoms

c)

isomers

d)

elements

40.

True or false: If it is polar, it will usually have a smell

a)

true

b)

false

41.

A change in the force of gravity on an object will affect its

a)

Mass

b)

Weight

c)

Density

d)

Kinetic energy

42.

Which describes a property that depends on the amount of matter in a sample

a)

Extensive property

b)

Intensive property

43.

Which of the following describes a property of matter that depends only on the type of matter in a sample and not on the amount

a)

Intensive property

b)

Extensive property

44.

Which of the following is an extensive property?

a)

Melting point

b)

density

c)

boiling point

d)

volume

45.

Which of the following is an intensive property of matter

a)

The amount of energy

b)

Density

c)

Volume

d)

Mass

46.

Which pair of quantities determines the density of a material

a)

Mass and weight

b)

volume and weight

c)

volume and concentration

d)

volume and mass

47.

Which of these has been expressed to 3 significant figures

a)

0.052g

b)

0.202g

c)

3.065g

d)

500g

48.

Which group is the least reactive group on the periodic table

a)

Elements on the bottom of the periodic table

b)

Transition elements

c)

Noble gases

d)

Alkaline earth metals

49.

Mass is...

a)

The weight of something

b)

Volume

c)

the amount of matter present in an object

d)

Amount of space something takes up

50.

Volume is...

a)

The weight of water

b)

How you measure a solid

c)

the amount of matter present in an object

d)

the amount of space something takes up

51.

An ionic compound is formed when...

a)

hydroxylic ions of a compound bond to nitrate ions in another compound

b)

metal atoms of an element transfer electrons to nonmetal atoms of another element

c)

neutral compounds gain electrons from another compound

d)

metal elements of an element accept electrons from nonmetal atoms of another element

52.

Which are correct?

a)

-ine=fishy

b)

-one=minty

c)

-ate=sweet

d)

-ic acid=putrid

53.

How many domains does H2O have?

a)

1

b)

2

c)

3

d)

4

54.

What information is given by the ball-and-stick model, that is not given by the structural formula?

a)

Length of chemical bonds

b)

orientation of atoms in space

c)

shape of atoms in the molecules

d)

Order in which atoms are connected

55.

Arsenic has 5 valence electrons. Predict the shape of a molecule of AsCl3

a)

bent

b)

tetrahedral

c)

trigonal planar

d)

trigonal pyramidal

56.

What is the shape of a molecule of carbon tetrachloride, CCl4?

a)

trigonal planar

b)

bent

c)

tetrahedral

d)

trigonal pyramidial

57.

The molecule OBr2 will have which geometric shape?

a)

bent

b)

trigonal pyramidial

c)

trigonal planar

d)

linear

58.

Which of the following will have a linear shape?

a)

CH2O

b)

H2O

c)

NH3

d)

CO2

59.

True or False: Hydrogen needs valence electrons

a)

False

b)

True

60.

Which statement refers to the smell of carbon dioxide

a)

It has a smell because it fits into a flat receptor site

b)

It has a smell because it is a polar molecule

c)

It doesn't have a smell because it doesn't reach the nose

d)

It has no smell because it is nonpolar

61.

Which of the following best explains what happens in an ionic bond

a)

The bonded electrons are equally shared between the atoms

b)

The bonded electrons spend more time around the more electronegative atom

c)

An electron is given up to the more electronegative atom

d)

An electron is given up to the less electronegative atom

62.

Which of the following best explains what happens in a polar covalent bond?

a)

The bonded electrons are equally shared between the atoms

b)

The bonded electrons spend more time around the more electronegative atom

c)

An electron is given up to the more electronegative atom

d)

An electrons spend more time around the less electronegative atom

63.

Which of the following best explains what happened in a nonpolar covalent bond?

a)

The bonded electrons are equally shared between the atoms

b)

The bonded electrons spend more time around the more electronegative atom

c)

An electron is given up to the more electronegative atom

d)

The bonded electrons spend more time around less electronegative atom

64.

Which type of element has the greatest electronegativity

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

noble gases

65.

Which type of element does not have an electronegativity valvue

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

noble gases

66.

Which factors determine whether a molecular compound has a smell

a)

Size, shape, and presence of carbon atoms

b)

polarity and mass

c)

Size, shape, and polarity

d)

Size, shape, and temperature

67.

Which reaction does this fall under:

With heat, mercury II oxide is broken down into mercury and oxygen gas

a)

Decomposition

b)

Single Replacement

c)

Double Replacement

d)

Combustion

68.

AX +BY --> BX+AY

a)

Decomposition

b)

Single Replacement

c)

Double replacement

d)

Synthesis

69.

2Na + Cl2 --> 2NaCl

a)

Decomposition

b)

Composition

c)

Single Replacement

d)

Synthesis

70.

Which reaction is the following:

Potassium reacts with water to produce potassium hydroxide and hydrogen gas

a)

Decomposition

b)

Composition

c)

Single Replacement

d)

Synthesis

71.

Methane reacts with oxygen to produce carbon dioxide, water and energy

a)

Combustion

b)

Synthesis

c)

Single replacement

d)

Double replacement

72.

Acids make food taste

a)

Sweet

b)

Sour

c)

Bitter

d)

Salty

73.

Aqueous solutions of acids...

a)

always have faraday properties

b)

conduct electricity

c)

have very high boiling points

d)

cannot be prepared

74.

Acids react with...

a)

bases to produce salts and water

b)

salts to produce bases and water

c)

water to produce bases and salts

d)

neither bases, salts, nor water

75.

Bases feel...

a)

rough

b)

slippery

c)

moist

d)

dry

76.

Bases make litmus paper turn

a)

blue

b)

red

c)

orange

d)

green

77.

A binary acid contains

a)

two hydrogen atoms

b)

hydrogen and one other element

c)

hydrogen and two other elements

d)

hydrogen and three other elements

78.

What is an Arrhenius acid?

a)

A chemical compound that increases the concentration of hydrogen ions in aqueous solution

b)

A chemical compound that increases the concentration of hydroxide ions in an aqueous solution

c)

a chemical compound that decreases the concentration of hydrogen ions in an aqueous solution

d)

a chemical compound that decreases the concentration of hydroxide ions in an aqueous solution

79.

A substance that ionizes completely in aqueous solutions and produces hydronium ions (H3O+) is a...

a)

weak base

b)

strong base

c)

weak acid

d)

strong acid

80.

Which of the following is a strong acid?

a)

Chloric acid

b)

Acetic acid

c)

Phosphoric acid

d)

Nitric acid

81.

A Bronsted-lowry acid is

a)

an electron-pair acceptor

b)

an electron-pair donor

c)

A proton acceptor

d)

A proton donor

82.

A lewis acid is...

a)

an electron-pair acceptor

b)

an electron-pair donor

c)

a proton acceptor

d)

a proton donor

83.

The conjugate of a strong base is a

a)

strong acid

b)

strong base

c)

weak acid

d)

weak base

84.

The pH scale in general ranges from

a)

0-1

b)

0-21

c)

0-14

d)

0-7

85.

A water solution whose pH is 4

a)

is always neutral

b)

is always basic

c)

is always acidic

d)

might be neutral, basic, or acidic

86.

The pH of a basic solution is

a)

less than 0

b)

less than 7

c)

greater than 7

d)

greater than 14

87.

What process measures the amount of a solution of known concentration required to react with a measured amount of a solution of unknown concentration?

a)

autoprotolysis

b)

hydrolysis

c)

neautralization

d)

titration

88.

Which quantity is directly measured in a titration

a)

volume

b)

mass

c)

concentration

d)

density

89.

Which quantity is calculated with the data from a titration?

a)

mass

b)

concentration

c)

volume

d)

density

90.

In an acid-base titration, equivalent quantities of hydronium ions and hydroxide ions are present

a)

at the begining point

b)

at the midpoint

c)

at the endpoint

d)

throughout the titration

91.

Which of the following two substances are used to make an ester?

a)

Ketone+ alcohol

b)

alcohol+ amine

c)

Carboxylic acid+ alcohol

d)

carboxylic acid + ketone

92.

between a metal and nonmetal

a)

Ionic bonds

b)

covalent bonds

93.

What happens to the elements in a chemical change?

a)

Elemental copper can be transferred through chemical reactions and then recovered

b)

We can represent elements with symbols and keep track of them during chemical reactions

c)

Elements combine and recombine but are not created or destroyed in chemical reactions

d)

All of the above

94.

True or false:

Reactivity describes whether an element or compound will chemically combine with another substance

a)

True

b)

False

95.

True or False:

Nuclear reactions change identity of an element

a)

True

b)

False

96.

Radioactive decay, nuclear fusion, and nuclear fission are all nuclear processes that result in the creation of new elements

a)

True

b)

False

97.

A bond between metal atoms in which the valence electrons are free to move throughout the substance

a)

Ionic

b)

molecular covalent

c)

metallic

d)

network covalent

98.

A type of chemical bonding that is the result of transfer of electrons from one atom to another

a)

Network covalent

b)

Molecular covalent

c)

Ionic

d)

metallic

99.

A type of chemical bonding in which 1 or more pairs of valence electrons are shared between the atoms

a)

Ionic

b)

Network Covalent

c)

molecular covalent

d)

metallic

100.

Which is true about covalent bonds?

a)

They share a pair of electrons between 2 nonmetal atoms

b)

They share a pair of electrons between 2 metal atoms

c)

They don't share a pair of electrons

d)

They share over 2 electrons between 2 metal atoms

101.

Which is the only atom that doesn't follow the octet rule?

a)

Nitrogen

b)

Oxygen

c)

Hydrogen

d)

Carbon dioxide

102.

Is it possible to make a triple bonded oxygen compound, according to the octet rule

a)

YES

b)

NO

103.

Not enough neutrons for the number of protons, therefore _____ takes place

a)

nuclear decay

b)

Alpha decay

104.

Atoms gain and lose electrons to become like a.......

a)

Transition element

b)

Halogen

c)

Noble gas

d)

Isomer

105.

For a molecule to be polar....

a)

One end has to be positive and the other end has to be nageative

b)

Both ends have to negative

c)

Both ends must be positive

d)

Both ends have to be neautra

106.

This piece of equipment measures volume of gas produced during reactions

a)

Thermometer

b)

Graduated cylinder

c)

Triple beam balance

d)

Eudiometer

107.

This piece of equipment is used to dispense precise quantities of liquids or gases for experiments

a)

Pipette

b)

Graduated Cylinder

c)

Burette

d)

Eudiometer

108.

Number of sig figs: 100

a)

1

b)

2

c)

3

d)

0

109.

Number of sig figs: 5,030

a)

1

b)

2

c)

3

d)

4

110.

Number of sig figs: 0.001

a)

1

b)

2

c)

3

d)

4

111.

Number of sig figs: 400.00

a)

2

b)

3

c)

4

d)

5

112.

Number of sig figs: 0.00300

a)

1

b)

3

c)

4

d)

6

113.

What is the functional group of Alcohols?

a)

Hydroxyls

b)

Ketone

c)

Esters

d)

Carboxylic acids

114.

What are the products created when ethanol and butyric acid react

a)

Water

b)

Carbon dioxide

c)

Water and Ethyl butyrate

d)

Carbon dioxide and ethyl butyrate

115.

This is the process of combining an alcohol and a carboxylic acid to create a sweet smelling molecule

a)

Alpha decay

b)

Compounding

c)

Beta decay

d)

Esterification

116.

This is the type of bond that is always polar and is the most polar type

a)

Covalent

b)

Metallic

c)

Ionic

117.

True or False:

H2O + CO2 are the products of a combustion reaction

a)

true

b)

false

118.

When given a chemical formula, this indicates that the compound is a base

a)

H

b)

OH

c)

N

d)

O

119.

This type of substance produces H2 gas when coming in contact with a metal

a)

Acid

b)

Base

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