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Chem Tri 1 Units 1-4 Practice Final

Total questions: 170

Worksheet time: 2hrs 13mins

Name
Class
Date
1.

Something that takes up space and has mass.

a)

Volume

b)

Matter

c)

Mass

d)

Density

2.

Tap water (water, salt & minerals) is an example of a(n):

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

3.

Chicken noodle soup is an example of a(n):

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

4.

Which of the following is a physical property?

a)

Heat of combustion

b)

Boiling point

c)

Flammability

d)

Reactivity

5.

Which of the following is NOT a sign that a chemical change has occurred?

a)

Change in color

b)

Change in shape

c)

Formation of a gas

d)

Change in odor

6.

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

a)

Ripping paper in half

b)

Boiling an egg

c)

Cracking an egg

d)

Dissolving sugar in water

7.

Which of the following is a physical change?

a)

Burning a match

b)

Vinegar reacting with baking soda

c)

Melting butter

d)

Cooking an egg

8.

Which of the following is a physical property?

a)

Combustion

b)

Electronegativity

c)

Color

d)

PH Level

9.

Which of the following is NOT an example of a physical change?

a)

crumpled paper

b)

pencil sharpening

c)

glass breaking

d)

mold growing on cheese

10.

How would you classify the matter in the picture above?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

11.

How would you classify the matter in the picture above?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

12.
When a test instrument is calibrated, does its accuracy, precision, or reliability improve?
a)
precision
b)
accuracy
c)
reliability
d)
all of the above
13.
What is the density of an object having a mass of 8.0 g and a volume of 25 cm3?
a)
0.32 g/cm3
b)
3.1 g/cm3
c)
200 g/cm3
d)
2.0 g/cm3
14.
Express the product of 4.0 x 10-2 m and 8.1 x 102 m using the correct number of significant figures.
a)
3.24 x 101 m2
b)
3 x 101 m2
c)
3.2 x 101 m2
d)
3.0 x 101 m2
15.
Express the sum of 7.68 m and 5.0 m using the correct number of significant figures.
a)
12.7 m
b)
10 m
c)
13 m
d)
12.68 m
16.
What is the volume of a salt crystal measuring 2.44 x 10-2 m by 1.4 x 10-3 m by 8.4 x 10-3 m?
a)
2.9 x 10-4 m3
b)
2.9 x 10-5 m3
c)
2.9 x 10-7 m3
d)
2.9 x 10-6 m3
17.
Which of the following measurements (of different masses) is the most accurate?
a)
3.122 22 g
b)
3.100 00 g
c)
3.1000 g
d)
Cannot be determined
18.
Which of the following volumes is the smallest?
a)
one deciliter
b)
one microliter
c)
one liter
d)
one milliliter
19.
Which of the following mass units is the largest?
a)
dg
b)
cg
c)
ng
d)
mg
20.
What is the result of adding 2.5 x 103 and 3.5 x 102?
a)
2.9 x 102
b)
6.0 x 103
c)
2.9 x 103
d)
6.0 x 105
21.
The weight of an object _____.
a)
depends on its location
b)
is always the same
c)
is not affected by gravity
d)
is the same as its mass
22.
Which group of measurements  is the most precise? (Each group of measurements is for a  different object)
a)
2.0 g, 3.0 g, 4.0 g
b)
1 g, 3 g, 5 g
c)
2 g, 2.5 g, 3 g
d)
2 g, 3 g, 4 g
23.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
24.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
25.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
26.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
27.

The ___________ of an atom is a unique number that describes how many protons an element has.

a)

atomic number

b)

valence electron

c)

nucleus

d)

electron cloud

28.

A __________ is an electron in the outermost energy level of an atom.

a)

valence electron

b)

proton

c)

neutron

d)

nucleus

29.
Bonus question: What element is this an atom of?
a)
nitrogen
b)
lithium
c)
beryllium
d)
carbon
30.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
31.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
32.
Atoms are most stable when their outer shell is complete.
a)
true
b)
false
33.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
34.
Which of the following will have a higher electronegativity than arsenic (As)?
a)
Carbon (C)
b)
Neon (Ne)
c)
Antimony (Sb)
d)
Germanium (Ge)
35.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
36.
As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....
a)
decreases
b)
increases
c)
remains the same
d)
none of the above
37.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
38.
Atoms that have a high electronegativity, _______________.
a)
give up their electrons more easily.
b)
hold on to their electrons more tightly.
c)
have more electron shells.
39.
The atom with the largest atomic radius in Group 18 is - 
a)
Ar
b)
He
c)
Kr
d)
Rn
40.
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
a)
decreases, increases 
b)
increases, increases
c)
increases, decreases 
d)
stays the same, increases
41.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
42.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
43.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2s2p3s3p5
b)
1s2s2p3s3p6
c)
1s2s2p3s3p7
44.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
45.

What does Pauli exclusion principle state ?

a)

states that each electron occupies the lowest energy orbital available

b)

states that -no two electrons in the same orbital can have the same spin

c)

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

46.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
47.

How many electrons can the d sublevel(orbital) hold?

a)

8

b)

10

c)

2

d)

4

48.

Long wavelength has _________ frequency and ___________ energy.

a)

High; High

b)

High; Low

c)

Low; Low

d)

Low; High

49.

Which color has the highest energy?

a)

Green

b)

Orange

c)

Yellow

d)

Red

50.

What is the first noble gas before Silicon?

a)

Aluminum

b)

Magnesium

c)

Argon

d)

Neon

51.
What is the charge on a Hydrogen ion?
a)
+1
b)
1
c)
2
52.
A charged particle that has gained at least one electron is called a(n) _____.
a)
Anion
b)
Cation
c)
Anonion
d)
chemistry cat
53.
What is the ionic compound formed between K and F?
a)
KF
b)
K2F
c)
KF2
d)
K2F2
54.
What is the ionic compound formed between Ba and P?
a)
Ba2P3
b)
Ba3P2
c)
BaP
d)
Ba2P2
55.
Atoms gain or lose electrons to become stable by satisfying this rule.
a)
Lewis Structure rule
b)
Periodic Law
c)
octet rule
d)
Ionic Law
56.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

57.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

58.

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

59.

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

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

60.

When naming a compound, what must the last part be?

a)

the element with "ide" at the end

b)

the element with the ending "ite"

c)

the name of the element

d)

the element with "ide" at the end, unless its a polyatomic ion

61.
What two types of atoms make a covalent bond?
a)
2 Nonmetals
b)
1 Nonmetal and 1 Metal
c)
2 Metals
d)
2 Noble Gases
62.
What molecule is this?
a)
CO
b)
CO2
c)
C2O
d)
C2O2
63.

The Lewis structure of the CO32- ion is

a)
b)
c)
d)
e)
64.

Resonance structures differ by __________.

a)

number and placement of electrons

b)

number of electrons only

c)

placement of atoms only

d)

number of atoms only

e)

placement of electrons only

65.

Of the possible bonds between carbon atoms (single, double, and triple), _____.

a)

a triple bond is longer than a single bond

b)

a double bond is stronger than a triple bond

c)

a single bond is stronger than a triple bond

d)

a double bond is longer than a triple bond

e)

a single bond is stronger than a double bond

66.
What is the name of N2O3
a)
Nitrogen trioxide
b)
Dinitrogen oxide
c)
Dinitrogen trioxide
d)
Nitrogen oxide
67.
What is the name of C3Cl?
a)
Carbon octachloride
b)
Tricarbon octachloride
c)
Carbon trichloride
d)
Octacarbon trichloride
68.
What is the chemical formula for Fluorine trisulfide ?
a)
S3F
b)
FS3
c)
FS
d)
none of the above
69.
Name the acid: HC2H3O2
a)
Acetic Acid
b)
Acetous Acid
c)
Hydrogen Acetate
d)
Hydrogen Dicarbon Trihydrogen Dioxygen
70.
What is the formula for perchloric acid?
a)
H3ClO3
b)
H3ClO4
c)
HClO3
d)
HClO4
71.
What is a positivly charge atom called?
a)
cation
b)
anion
72.

What is a negatively charged atom called?

a)

Anion

b)

Cation

c)

Ion

73.

What is a valence electron?

a)

an electron that is found in the outermost shell of an atom.

b)

an electron found in the innermost shell of an atom.

c)

an electron found in the middle shell.

74.

How many valence electron does Beryllium have?

a)

1

b)

2

c)

0

d)

4

75.

Which subatomic particle has NO CHARGE?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

76.

Which subatomic particle has a POSITIVE charge?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

77.

Which subatomic particle has a NEGATIVE charge?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

78.

Which subatomic particle tells you the identity of the Element?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Nucleus

79.

Which Element has 21 protons?

a)

Carbon

b)

Zinc

c)

Titanium

d)

Scandium

80.

If an element has 11 protons and 12 Neutrons, what is it's atomic mass?

a)

12

b)

11

c)

23

d)

1

81.

A FULL OUTER SHELL has how many electrons? (Not including the first level)

a)

8

b)

7

c)

4

d)

10

82.

What is the name for this group of elements?

a)

Alkali

b)

Halogens

c)

Noble Gases

d)

Alkali-Earth

83.

What are isotopes?

a)

different element with the same number of electrons

b)

same element with a different number of electrons

c)

same element with a different number of neutrons

d)

different element with the same number of neutrons

84.

What are the yellow elements in the following picture?

a)

metals

b)

nonmetals

c)

metalloids

85.

Which element will have a higher electronegativity than Arsenic (As) ?

a)

Carbon

b)

Antimony

c)

Germanium

d)

Neon

86.
This could be the dot diagram of
a)
Mg, group 2.
b)
Cl, group 17.
c)
C, group 14.
d)
O, group 16.
87.
Signs that a chemical change has occurred include
a)
a change in color
b)
the release of bubbles
c)
the production of an odor
d)
all of the above
88.
The density of water is 
a)
.1 g/cubic cm
b)
10g/cubic cm
c)
1.0 g/cubic cm
d)
0 g/cubic cm
89.
In a liquid, the molecules have a definite shape and a definite volume
a)
True 
b)
False
90.
Mixing salt and water 
a)
Chemical Change 
b)
Physical Change 
91.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
92.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
93.
Something that is made up of only one kind of atom is known as _________________.
a)
a molecule
b)
a compound
c)
an element
d)
a proton
94.
Which is a chemical change?
a)
freezing fruit juice
b)
slicing a potato
c)
boiling water
d)
copper metal turning green
95.
a)
This is an ionic bond with electrons shared
b)
This is an ionic bond with electrons transferred
c)
This is a covalent bond with electrons shared
d)
This is a covalent bond with electrons transferred
96.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
97.
The SI unit for temperature is __?__.
a)
degree fahrenheit  (° F)
b)
degree celsius  (° C)
c)
kelvin  (K)
d)
degree centigrade  (°C)
98.
Which lists metric units, in order, from smallest to largest?
a)
milligram, centigram, gram
b)
kilogram, gram, centigram
c)
decagram, hectogram, milligram
d)
kilogram, hectogram, decagram
99.
You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
100.

How many minutes are in 17 years?

a)

5,256,000min

b)

525,600min

c)

8,935,200min

d)

31,536,000min

101.

How many seconds are in 4 days?

a)

There are only seconds in a minute.

b)

354,600sec

c)

86,400sec

d)

345,600sec

102.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
103.
Group 1 elements, except for hydrogen, they are reactive and usually exist as compounds with other elements.
a)
alkaline earth metal
b)
halogen
c)
alkali metal
d)
representative element
104.
A highly reactive group 17 element.
a)
halogen
b)
metalloid
c)
noble gas
d)
alkali metal
105.
Elements that are generally gases or dull brittle solids that are poor conductors of heat and electricity.
a)
noble gas
b)
halogen
c)
nonmetal
d)
metalloids
106.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
107.
What is the number of valence electrons for Silicon?
a)
1
b)
2
c)
6
d)
4
108.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
109.
Name CCl4
a)
carbon carbon tetraiodide
b)
carbon tetrachloride
c)
monocarbon tetrachloride
d)
water
110.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
111.
What is a substance that is dissolved in another substance? 
a)
solution
b)
solute
c)
solvent
d)
compound
112.
salt water is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
113.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
114.
What is the factor that an experimenter changes on purpose?
a)
Dependent Variable
b)
Independent Variable
c)
Constant
d)
Control
115.
The part of the experiment that does not contain the independent variable. Used for comparison.
a)
Control Group
b)
Experimental Group
c)
Results
d)
Data
116.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
117.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?
a)
salt water
b)
height
c)
average
d)
effect
118.
There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?
a)
quantitative
b)
qualitative
119.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
metric system
120.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
121.

What is a hypothesis?

a)

A hypothesis is the right answer to an experiment.

b)

A hypothesis is the wrong answer to an experiment.

c)

A hypothesis is an educated guess about what you think will happen.

122.
Which of the following would be considered QUANTITATIVE data?
a)
Color
b)
Smell
c)
6.84 cm
d)
texture
123.

How close a measurement is to the accepted value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

124.
When a measurement is repeatable and consistent it is said to have...
a)
High precision
b)
Low precision
c)
High accuracy
d)
Low accuracy
125.

Students measured length during a science experiment and got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

a)

15.79%

b)

18.75%

c)

2.25%

d)

18%

126.

Comparing the two numbers written in scientific notation, which number is larger 6.0 X 10 -3 or 6.0 X 10 -2

a)

6.0 X 10 -3

b)

6.0 X 10 -2

c)

both have the same value

127.
What is the name of Group 1?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Halogens
128.
What is the name of Groups 3-12?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Halogens
129.
What is the name of Groups 17?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Halogens
130.
Where are the metals on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
131.
Where are the metalloids on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
132.
What is the name for the bottom two rows of the table that have been removed?
a)
Alkali Metals
b)
Alkali Earth Metals
c)
Transition Metals
d)
Lanthanides and Actinides
133.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
134.

Which of the following would be most similar to Phosphorus? (select all that apply)

a)

Nitrogen

b)

Sulfur

c)

Silicon

d)

Germanium

e)

Antimony

135.

Which of these elements are a Non-Metal?

a)

Copper

b)

Gold

c)

Oxygen

136.

Non-metals are insulators, this means electricity ______ flow through them.

a)

can

b)

cannot

137.
Brittle
a)
Metal
b)
Nonmetal
138.
How do metals differ from nonmetals?
a)
metals are shiny, nonmetals are dull
b)
metals are good insulators, nonmetals are good conductors
c)
metals are powdery
d)
nonmetals are shiny
139.
What are the three major categories of the periodic table?
a)
Alpha, Beta & Gamma
b)
Metals, Non-Metals and Metalloids
c)
Metals, Semi-metals and Metalloids
d)
Non-Metals, Semi-Metals and Metalloids
140.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
141.

Which statement is true?

a)

A proton is the same size as an electron but smaller than a neutron.

b)

An electron is the same size as a proton and bigger than a neutron.

c)

A neutron is the same size as a proton and much bigger than an electron.

d)

A neutron is the same size as a proton but much smaller than an electron.

142.

Which of the following is a chemical property?

a)

Crystal formation

b)

Ductility

c)

Colour

d)

Reaction to heat

143.

Which of the following is a physical property?

a)

Ability to burn

b)

Reaction with acids

c)

Flash point

d)

Solubility

144.

Classify the following example of matter:

Oxygen gas ( O2O_2

a)

Element

b)

Compound

c)

Homogeneous mixture

d)

Heterogeneous mixture

145.

1.Particles cannot change position in a ________

a)

solid

b)

liquid

c)

gas

146.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
147.

This state of matter has a constant volume, but fits the space of the container holding it.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

148.

Atoms or molecules in this state of matter have the lowest energy.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

149.
Type of intermolecular force present in HF.
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
150.

Heating a solid to a high temperature will usually result in this phase change.

a)

Condensation

b)

Melting

c)

Sublimation

d)

Evaporation

151.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
152.

Dirt

a)

Heterogeneous

b)

Homogeneous

153.
Air
a)
Heterogeneous
b)
Homogeneous
154.

Are made from a combination of 2 or more elements in a constant ratio...

a)

Atom

b)

Mixture

c)

Compounds

d)

Elements

155.

Type of mixture that DOESN'T HAVE the same composition in every part.

a)

Homogeneous

b)

Heterogeneous

156.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
157.
Combination of two or more pure substances that are not chemically combined
a)
compound          
b)
atom
c)
mixture 
d)
element
158.
Conduct electricity when melted or dissolved in water.
a)
ionic compounds
b)
molecular compounds
159.

What is the Atomic Mass Number of the element mentioned above

a)

12

b)

6

c)

C

d)

16

160.

What is the number of protons in Magnesium atom ?

a)

12

b)

24

c)

23

d)

8

161.

I am a non mental

I am in period 3

I am in group 16

I am...

a)

Ba

b)

P

c)

S

d)

Se

162.

I am a metal

I am in the Alkaline Earth Metals

I am in period 6

I am...

a)

Mo

b)

S

c)

Re

d)

Ba

163.

What is a group

a)

Up and down row on the table

b)

Up and down column on the table

c)

Side to side row on table

d)

Side to side column on the table

164.

What is a period

a)

Up and down row on the table

b)

Up and down column on the table

c)

Side to side row on table

d)

Side to side column on the table

165.

Why are noble gases not reactive

a)

Too few electrons

b)

Too many electrons

c)

They have a full set of electrons

d)

They need more electrons

166.

Actinides are radioactive because

a)

They are so big

b)

They have more protons than electrons

c)

they have more neutrons than electrons

d)

they have more neutrons than protons

167.
What is the mass number defined as?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
168.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
a)
74.92 amu
b)
24.97 amu
c)
75.01 amu
d)
74.51 amu
169.

An element exists as the three isotopes shown. What is the average atomic mass?

a)

20.74 amu

b)

22.56 amu

c)

18.39 amu

d)

24.31

170.

Chlorine has two naturally occurring isotopes, Cl-35 and Cl-37, The atomic mass of chlorine is 35.45. Which of these two isotopes of chlorine is more abundant?

a)

Cl-35

b)

Cl-37

c)

Cannot be determined from the information provided.