6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Home / My courses / BAED-CHEM2112-2322S / Second Quarter Exam / Second Quarter Exam
Started on Tuesday, 18 June 2024, 1:27 PM
State Finished
Completed on Tuesday, 18 June 2024, 2:11 PM
Time taken 43 mins 17 secs
Marks 50.00/50.00
Grade 100.00 out of 100.00
Question 1
Correct
Mark 1.00 out of 1.00
It is a type of chemical bond where a pair of electrons is unequally shared between two atoms
Select one:
a. Polar covalent bond
b. Non-polar covalent bond
c. Ionic bond
d. Hydrogen bond
Question 2
Correct
Mark 1.00 out of 1.00
They carry genetic information in the cell. They also help in synthesis of proteins, through the process of translation and transcription.
Select one:
a. Deoxyribonucleic acids
b. Lipids
c. Enzymes
d. Carbohydrates
Question 3
Correct
Mark 1.00 out of 1.00
Ionization energy increases from left to right on the periodic table.
Select one:
a. True
b. False
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 1/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 4
Correct
Mark 1.00 out of 1.00
This compound, usually formed by the dehydration-condensation reaction of an oxoacid, yields two molecules of the acid when it
reacts with water.
Select one:
a. Nitrite
b. Acid anhydride
c. Fatty acid
d. Methane
Question 5
Correct
Mark 1.00 out of 1.00
The building blocks of proteins
Select one:
a. amino acids
b. tricarboxylic acids
c. keto acids
d. aromatic carboxylic acids
Question 6
Correct
Mark 1.00 out of 1.00
Encircle the one that is not an example of polar compounds
Select one:
a. Water
b. Hydrogen sulphur
c. Sulphur dioxide
d. Nitrogen
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 2/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 7
Correct
Mark 1.00 out of 1.00
Name the compound.
SrO
Answer: Strontium oxide
Question 8
Correct
Mark 1.00 out of 1.00
The higher the energy is, the more readily the atom becomes a cation.
Select one:
a. False
b. True
Question 9
Correct
Mark 1.00 out of 1.00
The electron cloud is divided into 7 principal energy levels numbered n=1 to n=7 with n=1 closest to nucleus. n is called
Select one:
a. principal quantum number
b. magnetic quantum number
c. angular quantum number
d. spin quantum number
Question 10
Correct
Mark 1.00 out of 1.00
Electron affinity is a quantitative measurement of the energy change that occurs when an electron is added to a neutral gas atom.
Select one:
a. False
b. True
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 3/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 11
Correct
Mark 1.00 out of 1.00
A compound that contains COO
Select one:
a. Ammonia
b. Methanal
c. Methane
d. Carboxylic acid
Question 12
Correct
Mark 1.00 out of 1.00
Name the compound.
K 2O
Answer: Potassium oxide
Question 13
Correct
Mark 1.00 out of 1.00
A carboxylic acid that has a long hydrocarbon chain and derived from a natural source.
Select one:
a. Caprylic acid
b. Lauric acid
c. Fatty acid
d. Butyric acid
Question 14
Correct
Mark 1.00 out of 1.00
Name the compound.
HF
Answer: hydrogen monofluoride
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 4/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 15
Correct
Mark 1.00 out of 1.00
The noble gases possess very high ionization energies because of their full valence shells.
Select one:
a. True
b. False
Question 16
Correct
Mark 1.00 out of 1.00
Lipid molecules hold a large amount of energy and are energy storage molecules.
Select one:
a. True
b. False
Question 17
Correct
Mark 1.00 out of 1.00
Electronegativity is a qualitative property and there is standardized method for calculating electronegativity.
Select one:
a. False
b. True
Question 18
Correct
Mark 1.00 out of 1.00
Name the compound.
SiF4
Answer: Silicon tetrafluoride
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 5/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 19
Correct
Mark 1.00 out of 1.00
The least electronegative atom and should be the central atom.
Select one:
a. Nitrogen
b. Hydrogen
c. Helium
d. Oxygen
Question 20
Correct
Mark 1.00 out of 1.00
This type of polymer is derived from petroleum oil and made by scientists and engineers.
Select one:
a. Synthetic
b. Organic
c. Natural
d. Manufactured
Question 21
Correct
Mark 1.00 out of 1.00
They are atoms which have the same atomic number but different mass numbers.
Select one:
a. Cations
b. Similar
c. Isotopes
d. Anions
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 6/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 22
Correct
Mark 1.00 out of 1.00
An organic compound that consist of a carbon bonded to an OH group
Select one:
a. propanal
b. propanoic acid
c. propane
d. propanol
Question 23
Correct
Mark 1.00 out of 1.00
Name the compound.
BeI2
Answer: Beryllium iodide
Question 24
Correct
Mark 1.00 out of 1.00
It is a large molecule or macromolecule, composed of many repeated subunits, that is not artificially manufactured.
Select one:
a. Natural Monomer
b. Synthetic Monomer
c. Natural Polymer
d. Synthetic Polymer
Question 25
Correct
Mark 1.00 out of 1.00
It is found in many different compounds. It is the sixth most abundant element in the universe.
Select one:
a. Zirconium
b. Hydrogen
c. Potassium
d. Carbon
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 7/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 26
Correct
Mark 1.00 out of 1.00
This describes the wavelike behaviour of either one electron or a pair of electrons in an atom.
Select one:
a. Atomic orbital
b. Electron configuration
c. Atomic mass
d. Atomic number
Question 27
Correct
Mark 1.00 out of 1.00
Carbon double bonded to oxygen
Select one:
a. Aldehyde group
b. Carboxyl group
c. Carbonyl group
d. Peroxy group
Question 28
Correct
Mark 1.00 out of 1.00
It is molecule that is present in living organisms, including large macromolecules such as proteins, carbohydrates, lipids and nucleic
acids, as well as small molecules such as primary metabolites secondary metabolites and natural products.
Select one:
a. Peptides
b. Amino acids
c. Biomolecules
d. Sugars
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 8/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 29
Correct
Mark 1.00 out of 1.00
Electron shielding describes the ability of an atom’s inner electrons to shield its positively-charged nucleus from its valence electrons.
Select one:
a. False
b. True
Question 30
Correct
Mark 1.00 out of 1.00
This type of compound always contains the carbon atom.
Select one:
a. Ionic
b. Inorganic
c. Organic
d. Covalent
Question 31
Correct
Mark 1.00 out of 1.00
What is the molecular mass (in grams) of dinitrogen trioxide?
Select one:
a. 76.01
b. 76.11
c. 75.13
d. 76.25
Question 32
Correct
Mark 1.00 out of 1.00
How many grams is one molecule of ethanol?
Select one:
a. 46.02
b. 45.78
c. 46.07
d. 45.93
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 9/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 33
Correct
Mark 1.00 out of 1.00
Quantity used to express the amount of a substance.
Select one:
a. kelvin
b. mole
c. kilogram
d. candela
Question 34
Correct
Mark 1.00 out of 1.00
Uses Avogadro’s number to have a numerical value.
Select one:
a. mole
b. candela
c. kelvin
d. kilogram
Question 35
Correct
Mark 1.00 out of 1.00
Made up of proton/s, neutron/s, and electron/s.
Select one:
a. molecule
b. subatomic particle
c. ion
d. atom
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 10/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 36
Correct
Mark 1.00 out of 1.00
What is the mass (in grams) of sulfuric acid?
Select one:
a. 99.01
b. 99.07
c. 98.01
d. 98.07
Question 37
Correct
Mark 1.00 out of 1.00
Science that deals with energy and its interactions with matter.
Select one:
a. biology
b. chemistry
c. physics
d. ecology
Question 38
Correct
Mark 1.00 out of 1.00
How many percent of one molecule of potassium hydroxide is oxygen?
Select one:
a. 29.33
b. 28.52
c. 29.25
d. 28.63
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 11/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 39
Correct
Mark 1.00 out of 1.00
How heavy (in grams) is calcium oxide?
Select one:
a. 56.78
b. 56.08
c. 55.29
d. 55.04
Question 40
Correct
Mark 1.00 out of 1.00
Bond formed by the sharing of electrons between atoms.
Select one:
a. charge-shift
b. ionic
c. covalent
d. metallic
Question 41
Correct
Mark 1.00 out of 1.00
What is the molecular mass (in grams) of hydrogen peroxide?
Select one:
a. 35.03
b. 34.01
c. 34.21
d. 33.85
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 12/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 42
Correct
Mark 1.00 out of 1.00
Quantity used to measure distance between two points.
Select one:
a. dimension
b. none of the choices is correct
c. length
d. magnitude
Question 43
Correct
Mark 1.00 out of 1.00
Reaction wherein the anions and cations of two compounds switch places to form two entirely different compounds.
Select one:
a. combustion
b. double replacement
c. single replacement
d. synthesis
Question 44
Correct
Mark 1.00 out of 1.00
What is the mass (in grams) of sodium bicarbonate?
Select one:
a. 83.92
b. 84.01
c. 84.51
d. 85.31
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 13/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 45
Correct
Mark 1.00 out of 1.00
Eight moles of benzene has ____ x 1024 molecules. Note: The answer must be in 4 decimal places.
Select one:
a. 4.1867
b. 4.8176
c. 4.8671
d. 4.6187
Question 46
Correct
Mark 1.00 out of 1.00
Amount of material contained by a body.
Select one:
a. none of the choices
b. mass
c. weight
d. volume
Question 47
Correct
Mark 1.00 out of 1.00
An atom that is negatively charged.
Select one:
a. proton
b. anion
c. cation
d. electron
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 14/15
6/18/24, 4:47 PM Second Quarter Exam: Attempt review
Question 48
Correct
Mark 1.00 out of 1.00
Study of materials and its components.
Select one:
a. physics
b. biology
c. chemistry
d. ecology
Question 49
Correct
Mark 1.00 out of 1.00
Basic component that makes up any kind of material.
Select one:
a. subatomic particles
b. atom
c. molecule
d. ion
Question 50
Correct
Mark 1.00 out of 1.00
A 0.55 mole of carbon dioxide has ___ x 1021 atoms.
Select one:
a. 7.43
b. 7.53
c. 8.21
d. 8.23
◄ First Quarter Exam
Jump to...
https://shsexam.amaesonline.com/2322/mod/quiz/review.php?attempt=44730&cmid=333 15/15
