wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

2024 Fall Semester Review

Total questions: 113

Worksheet time: 5hrs 33mins

Name
Class
Date
1.
What safety symbol is this? 
a)
biohazard
b)
radiation
c)
toxic
d)
corrosive
2.
What does this symbol indicate?
a)
Corrosive substances are present; protect your hands.
b)
Wash your hands.
c)
Extreme temperatures are present; wear appropriate gloves.
d)
Bacteria are present.
3.
What safety symbol is this?
a)
Flammable 
b)
Oxidizing Agent
c)
No Open Flame
d)
Explosion
4.
What safety Symbol is this?
a)
Flamable
b)
Oxidizing Agent
c)
No Open Flame
d)
Explosion
5.
a)
Very Toxic
b)
Bio hazard
c)
Recycle
d)
Electric 
6.
a)
Poison
b)
Bio Hazard
c)
Environmental Hazard
d)
Not Drinking Water
7.
a)
Poison/Toxic
b)
Bio Hazard
c)
Radioactive
d)
Corrosive
8.

1. Which of the following processes involves a change in physical properties?

a)

rusting

b)

fermenting

c)

boiling

d)

burning

9.

A nail rusting

a)

Physical Property

b)

Chemical Property

10.

What are the signs of a chemical change?

a)

Bubbles

b)

Gas

c)

Odor

d)

All of these

11.

Which is a physical change?

a)

dying your hair

b)

dissolving sugar in water

12.

According to the First Law of Thermodynamics, which of the following statements is true?

a)

Heat is a form of energy that can be created and destroyed.

b)

Heat can be transferred from a cold object to a hot object without external energy.

c)

Heat is a form of energy that can neither be created nor destroyed, only transferred.

d)

Heat is not a form of energy and does not follow the law of conservation.

13.

What does the Zeroeth Law of Thermodynamics state?

a)

If two bodies are in thermal equilibrium with a third body, they are not in equilibrium with each other.

b)

If two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other.

c)

If two bodies are in thermal equilibrium, they must be at the same temperature.

d)

If two bodies are not in thermal equilibrium, they cannot exchange heat.

14.

What determines the temperature of an object?

a)

The amount of potential energy in an object.

b)

The amount of heat it radiates.

c)

The amount of kinetic energy in an object.

d)

The amount of heat it absorbs from the environment.

15.

What is the Second Law of Thermodynamics primarily concerned with?

a)

The unrestricted creation and destruction of heat energy.

b)

The transfer of heat energy from a body at a lower temperature to a body at a higher temperature without the addition of outside energy.

c)

The prediction of energy costs for heating and cooling systems.

d)

The concept of entropy and the direction of heat transfer.

16.

What does entropy describe in a thermodynamic system?

a)

The transition of energy from one form to another.

b)

The amount of disorder in the system.

c)

The process of heat transfer by direct contact.

d)

The emission and absorption of electromagnetic radiation.

17.

Which process involves the transfer of heat between objects by direct contact?

a)

Radiation

b)

Convection

c)

Conduction

d)

Entropy

18.

What is convection?

a)

The form of heat transfer where energy is transferred through waves.

b)

The form of heat transfer where energy transition occurs within a liquid or gas.

c)

The form of heat transfer that involves electromagnetic radiation.

d)

The form of heat transfer that increases the entropy in a system.

19.

How does radiation allow for heat transfer?

a)

Through the direct contact of two objects.

b)

By the movement of fluids or gases.

c)

By the emission or absorption of electromagnetic radiation.

d)

By increasing the disorder in a system.

20.

What process is depicted in the first diagram where warm molecules rise and cool molecules sink?

a)

Radiation

b)

Conduction

c)

Convection

d)

Evaporation

21.

What is the term used to describe the transfer of thermal energy through empty space, as shown in the second diagram?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

22.

Which set of properties, intensive or extensive, are based on the size of a sample?

a)

intensive

b)

extensive

23.

What kind of physical property is this? Density

a)

intensive

b)

extensive

24.

What kind of physical property is this? Volume

a)

intensive

b)

extensive

25.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
26.

What energy transformation occurs as a mouse produces body heat?

a)

Chemical --> Thermal

b)

Thermal --> Chemical

c)

Electrical --> Thermal

d)

Thermal --> Mechanical

27.

The Law of Conservation of Energy states that energy is never _____________ or ____________, only transformed.

a)

created, destroyed

b)

created, subtracted

c)

added, subtracted

d)

destroyed, subtracted

28.

These are found in the nucleus and have a neutral charge.

a)

proton

b)

electron

c)

neutron

29.
These will determine what element an atom is. 
a)
number of neutrons
b)
number of electrons
c)
number of atoms 
d)
number of protons 
30.

The number 16 for the atomic element sulfur is the

a)

ionic number

b)

isotope

c)

atomic mass

d)

atomic number

31.

How many electrons does sulfur have

a)

16

b)

32

c)

48

d)

12

32.

How many neutrons does an Oxygen atom have?

a)

8

b)

16

c)

24

d)

7.999

33.

The atom is mostly large empty space with a small, dense nucleus at the center

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

34.

Atom is a positively charged cloud with embedded negative electrons

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

35.

Atoms are indivisible (cannot be broken down)

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

36.

What scientist proposed this atomic model?

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

37.

Calculate the wavelength of the yellow light emitted by the street light, if the frequency of the radiation is 5.10x1014Hz.

a)

5.12 x 10-7m

b)

5.88 x 10-7 m

c)

4.20 x 1014m

d)

3.0 x 108m

38.

Energy is measured in........

a)

Wavelength

b)

Meters

c)

Joules

d)

Frequency

39.

On a wave, the distance between crest to crest is called?

a)

amplitude

b)

wavelength

c)

frequency

d)

trough

40.

Which color in the visible spectrum of light has the longest wavelength?

a)

Indigo

b)

Red

c)

Blue

d)

Violet

41.

What is the frequency of light with a wavelength of

4.8 x 10-7 meters?

a)

5.34 x 10-9 Hz

b)

3.0 x 108 Hz

c)

3.21 x 1017 Hz

d)

6.25 x 1014 Hz

42.

Which of the following has the shortest wavelength?

a)

microwaves

b)

UV rays

c)

Infrared

d)

the color blue

43.

Which of the following has the most energy?

a)

Red

b)

Blue

c)

Green

d)

Violet

44.

As the wavelength of a wave increases its energy

a)

increases

b)

decreases

45.

As the frequency of a wave increases, its energy

a)

increases

b)

decreases

46.

Of the following sublevels, which is the highest in energy?

a)

4s

b)

3d

c)

4p

d)

5s

47.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
48.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
49.

Choose the correct shortcut configuration for iodine.

a)

[Ar]4s24d104p5

b)

[Kr]5s24d105p5

c)

[Xe]5s25d105p5

d)

none of the above

50.

When an electron in the _______state absorbs energy, it goes to the ________ state.

a)

lower, excited

b)

ground state, higher state

c)

ground state, excited state

d)

excited state, ground state

51.

A photon of light has a frequency of 4.98x1014 Hz. Calculate its energy.

a)

5.52x10-19 J

b)

4.79x10-19 J

c)

4.66x10-19 J

d)

3.30x10-19 J

52.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
53.

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

a)

2

b)

6

c)

8

d)

10

54.

When electrons transfer from one atom to another, both atoms become

a)

ions

b)

isotopes

c)

molecules

d)

compounds

55.

When electrons are shared between

atoms, a(n) __________ forms.

a)

ionic bond

b)

covalent bond

c)

hydrogen bond

d)

van der waals forces

56.

Which two types of particles are present in equal numbers in an atom, but not in

an ion?

a)

protons and electrons

b)

protons and neutrons

c)

inner-shell electrons and outer-shell electrons

d)

protons and inner-shell electrons

57.
An element has two naturally occurring isotopes. One is 10.013 amu and is 19.9% abundant. The other is 11.01 amu and is 80.1% abundant. What is the average atomic mass? What element is it?
a)
9.012, Beryllium
b)
12.011, Carbon
c)
6.941, Lithium
d)
10.812, Boron
58.

What is a cation's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element

59.

What is an anion's charge?

a)

positive

b)

negative

c)

neutral

d)

depends on the element's charge

60.

Is potassium a cation or an anion?

a)

cation

b)

anion

61.

What is the charge of iron (III)?

a)

+3

b)

+2

c)

+6

d)

+4

62.
How many "valance electrons" are in chlorine?
a)
7
b)
2
c)
17
d)
8
63.
Carbon-12, Carbon-13, and Carbon-14 are...
a)
ions
b)
isotopes
c)
electronegative
d)
radioactive
64.
An isotope has...
a)
the same number of protons but different number of electrons
b)
same number of protons but different number of neutrons
c)
same number of electrons and neutrons
d)
same number of electrons, protons, and neutrons
65.
Elements that are gases, brittle, and not conductive are
a)
Metals
b)
Metalloids
c)
Transition Metals
d)
Non-metals
66.
Not non-metals or metals but somewhere in between
a)
noble gases
b)
isotopes
c)
metalloids
d)
ions
67.
Is this Lewis Dot Structure correct
a)
Yes
b)
No, chlorine has 6 valence
c)
No, chlorine has 8 valence
d)
No, chlorine has 17 electrons
68.

Which family is the most reactive Non-Metals

a)

Alkali Metals (Group 1)

b)

Alkaline Earth Metals (Group 2)

c)

Transition Metals (Group 3-12)

d)

Halogens (Group 17)

e)

Noble Gases (Group 18)

69.

As you move down a group on the periodic table atoms get bigger. This is because ____________.

a)

The atoms have more mass.

b)

The atoms have more protons.

c)

The atoms have more energy levels

d)

The atoms have more nuetrons

70.
Atoms that have a high electronegativity, _______________.
a)
give up their electrons more easily.
b)

Attract electrons to themselves in a bond

c)
have more electron shells.
71.

Mendeleev first arranged the Periodic Table by mass. Mosely late changed this by arranging the table by _____________. We still use this method today.

a)

Atomic Number

b)

Average Atomic Mass

c)

Number of electrons

d)

Electron Affinity

72.

Which has the greater Electronegativity:

Cl or Al?

a)

Cl

b)

Al

73.

Atoms and ions that are isoelectronic have

a)

the same charge.

b)

the same number of electrons.

c)

the same number of protons.

d)

no charge since the number of protons and electrons is equal.

74.

Which of the following pairs of atoms and/or ions is isoelectronic?

a)

Na and K

b)

Cl and Cl-1

c)

Ne and Na+1

d)

O-2 and S-2

75.

Ionic Bonding involves...

a)

the transfer of protons

b)

the transfer of neutrons

c)

the transfer of electrons

d)

none of these choices

76.

What do atoms that form positive ions tend to do?

a)

tend to lose electrons

b)

tend to lose protons

c)

tend to gain electrons

d)

tend to gain protons

77.

Magnesium Bromide is a (an) ________ compound

a)

metallic

b)

covalent

c)

ionic

d)

organic

78.

How is the bond in F2 different from the bond in KCl ?

a)

F2 is covalent and KCl is ionic

b)

F2 is ionic and KCl is covalent

c)

F2 is ionic and KCl is ionic

d)

F2 is ionic and KCl is ionic

79.

When naming COVALENT/MOLECULAR compounds, you use ______ to indicate the amount of each element in the name.

a)

prefixes

b)

coefficients

c)

subscripts

d)

superscripts

80.

Phosphorous trichloride

a)

PCl3

b)

P3Cl

c)

P3Cl3

d)

PCl

81.

The formula for the ionic compound of magnesium and nitrogen would be

a)

MgN2

b)

MgN

c)

Mg3N2

d)

MgN3

82.

What is the formula for magnesium phosphide?

a)

Mg3P2

b)

Mg2P3

c)

Mg2PO4

d)

Mg3(PO4)2

83.

What is the chemical name for NI3 ?

a)

Nitrogen hydroxide

b)

Nitrogen trinitride

c)

Nitrogen triiodide

d)

Triiodide mononitrogen

84.

True or False: The correct chemical name for the formula PCl3 is monophosphorus tetrachloride.

a)

True

b)

False

85.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
86.
What is the formula for Hydrosulfuric Acid?
a)
H2(SO3)
b)
H2S
c)
H2(SO2)
d)
H2(SO4)
87.
What is the formula for hydrochloric acid?
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
88.
Name the acid: H3PO3
a)
hydrophosphoric acid
b)
phosphorous acid
c)
phosphoric acid
d)
phosphoric hydroxide
89.

Which is the correct molecular structure for carbon dioxide?

a)
b)
c)
d)
90.

How many total valence electrons are participating in bonding in the molecule above?

a)

8

b)

4

c)

2

d)

3

91.

What type of molecular geometry does water have?

a)

Tetrahedral

b)

Linear

c)

Bent

d)

Trigonal planar

92.
What explains the very high melting and boiling point of water
a)
Strong dipole-dipole bonds between water molecules
b)
Strong hydrogen bonds between water molecules
c)
Dispersion forces which are present in all molecules
d)
Asymmetrical shape of the polar bonds.
93.
Does CH4 have hydrogen bonding?
a)
yes
b)
no
94.
Intermolecular force present in HCl?
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
95.

Which substance has the weakest intermolecular forces?

a)

Substance A, boiling point of 75 °C

b)

Substance B, boiling point of 105 °C

c)

Substance C, boiling point of 25 °C

d)

Substance d, boiling point of 45 °C

96.

The weaker the intermolecular forces of a substance the _____________ the boiling point

a)

higher

b)

lower

97.

Which is NOT an intramolecular force?

a)

Polar Covalent Bond

b)

Nonpolar Covalent Bond

c)

London Dispersion Force

d)

Ionic Bond

98.

Which has the weakest forces between particles (usually)?

a)

ionic bonding

b)

metallic bonding

c)

covalent bonding

99.

Which has the strongest forces between particles (usually)?

a)

ionic bonding

b)

metallic bonding

c)

covalent bonding

100.
A water strider can skate along the top of a pond because:
a)
covalent bonds result in water cohesion
b)
hydrogen bonds result in water cohesion (surface tension)
c)
water striders have adapted to take advantage of water cohesion
d)
low surface tension of water
101.

The amount of energy required to raise the temperature 1ºC for every gram is called____?

a)

Thermal Energy

b)

Specific Heat

c)

Temperature

d)

Kinetic Energy

102.

Water has a specific heat of 4184 J/gºC. Wood has a specific heat of 1760 J/gºC. What material needs more energy to raise the temperature 1ºC

a)

Wood

b)

Water

c)

Both are the same

103.
Which of the following molecules is non-polar?
a)
NH3
b)
BCl3
c)
SO2
d)
ICl
104.
Which formula represents a polar molecule?
a)
H2
b)
H2O
c)
CO2
d)
CCl4
105.

A student measures the mass of an 8.0 cm3 block of brown sugar to be 12.9 g. What is the density of the brown sugar?

a)

1.6 g/cm3

b)

0.62 g/cm3

c)

103.2 g/cm3

d)

0.54 g/cm3

106.

How many grams of KNO3 will produce a saturated solution at 40 degrees?

a)

75

b)

55

c)

65

d)

85

107.

At what temperature can you fully dissolve 140g of NaNO3?

a)

62

b)

73

c)

81

d)

You cannot determine this

108.
What type of chemical reaction is this one?
Al(OH)3 --> Al2O3  + H2O
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
109.
What type of chemical reaction is this one?
CUO + CO2 --> CuCO3
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
110.
What type of chemical reaction is this one?
Ca + MgCl2 --> CaCl2 + Mg
a)
Decomposition
b)
Combustion
c)
Synthesis
d)
Single Replacement 
111.

Balance the equation.

__ N2 + __ H2 → __ NH3

The number are shown in order from left to right for the blanks.

a)

2, 3, 1

b)

2, 1, 3

c)

3, 1, 2

d)

1, 3, 2

112.

Balance the following equation:

__ Al(OH)3 + __ HBr → __ AlBr3 + __ H2O

The number are shown in order from left to right to be inserted the blanks.

a)

1, 1, 3, 3

b)

1, 3, 1, 3

c)

3, 1, 3, 1

d)

3, 3, 1, 1

113.

Na2O + P4O10 -------> Na3PO4

Write in words

a)

sodium oxide and phosphorus oxide yield sodium phosphate

b)

sodium oxide and tetraphosphorus decaoxide yield sodium phosphate

c)

disodium oxide and phosphorus decaoxide yield sodium phosphate

d)

sodium(I) oxide and tetraphosphorus decaoxide yield sodium(I) phosphate