City University of New York
Hunter College Department of Chemistry
Name _______________________________________________________________________________________________
General Chemistry I
Fall 2018 – Exam 2
Version A
Instructions:
1. Do NOT open this exam until you are told to do so. Opening the exam before the
start of the exam is considered an act of Academic Dishonesty.
2. All answers must be bubbled into the scantron answer sheet.
3. No credit will be given for answers written on this exam.
4. You must use a #2 pencil to bubble in the answers on your scantron.
5. This is a multiple choice exam consisting of 31 questions (8 pages). Each question
is worth 6.67 points. There are a total of 206.77 points on this exam. 200 points is
full credit.
6. Attached to the back of this exam you will find 2 blank pages, an appendix, and a
periodic table. You may remove these from the exam at your convenience.
7. On the FRONT of your scantron.
Write your last name, followed by your first name.
Write your exam version (A or B)
8. On the BACK of your scantron:
Write and bubble in BOTH your last and first name. Make sure to bubble in
your names as follows: Last Name (SPACE) First Name
NOTE: You must Bubble in the space on your scantron!
Academic Dishonesty Statement:
Academic dishonesty (e.g., cheating, plagiarism, obtaining unfair advantage and falsification
of records and official documents) is prohibited in The City University of New York.
Penalties for academic dishonesty include academic sanctions, such as failing or otherwise
reduced grades, and/or disciplinary sanctions, including suspension or expulsion.
Academic dishonesty is a serious violation of the accepted values of the College.
Students who are caught cheating on this exam will automatically obtain a grade of
ZERO for the exam and will be reported for Academic Dishonesty.
GenChem I 1
Fall 2018 Exam 2A
, City University of New York
Hunter College Department of Chemistry
Level 1 and 2 Questions
1) Which of the following elements has the largest atomic radius?
a. S
b. Se
c. Si
d. Ge
e. Ca
2) Microwaves have higher energy than _________ and lower frequency than __________.
a. radiowaves, radiowaves
b. radiowaves, infrared radiation
c. infrared radiation, radiowaves
d. infrared radiation, infrared radiation
3) An electron with the quantum numbers n=3, l=1, ml=1 & ms=-1/2 is in the_____ subshell.
a. 1d
b. 2p
c. 3s
d. 3p
e. 3d
4) What is the formal charge on the carbon atom in the HNC molecule (H---N---C)?
a. -5
b. -1
c. 0
d. +1
e. +4
5) In order to produce sp3 hybrid orbitals, _______ s atomic orbital(s) and _______ p atomic
orbital(s) must combine.
a. one, three
b. one, two
c. one, one
d. two, two
e. two, three
6) The head-to-head, in phase, overlap of 2 atomic px orbitals yields which molecular
orbital:
+ ____________
a. σ
b. π
c. σ*
d. π*
GenChem I 2
Fall 2018 Exam 2A
Hunter College Department of Chemistry
Name _______________________________________________________________________________________________
General Chemistry I
Fall 2018 – Exam 2
Version A
Instructions:
1. Do NOT open this exam until you are told to do so. Opening the exam before the
start of the exam is considered an act of Academic Dishonesty.
2. All answers must be bubbled into the scantron answer sheet.
3. No credit will be given for answers written on this exam.
4. You must use a #2 pencil to bubble in the answers on your scantron.
5. This is a multiple choice exam consisting of 31 questions (8 pages). Each question
is worth 6.67 points. There are a total of 206.77 points on this exam. 200 points is
full credit.
6. Attached to the back of this exam you will find 2 blank pages, an appendix, and a
periodic table. You may remove these from the exam at your convenience.
7. On the FRONT of your scantron.
Write your last name, followed by your first name.
Write your exam version (A or B)
8. On the BACK of your scantron:
Write and bubble in BOTH your last and first name. Make sure to bubble in
your names as follows: Last Name (SPACE) First Name
NOTE: You must Bubble in the space on your scantron!
Academic Dishonesty Statement:
Academic dishonesty (e.g., cheating, plagiarism, obtaining unfair advantage and falsification
of records and official documents) is prohibited in The City University of New York.
Penalties for academic dishonesty include academic sanctions, such as failing or otherwise
reduced grades, and/or disciplinary sanctions, including suspension or expulsion.
Academic dishonesty is a serious violation of the accepted values of the College.
Students who are caught cheating on this exam will automatically obtain a grade of
ZERO for the exam and will be reported for Academic Dishonesty.
GenChem I 1
Fall 2018 Exam 2A
, City University of New York
Hunter College Department of Chemistry
Level 1 and 2 Questions
1) Which of the following elements has the largest atomic radius?
a. S
b. Se
c. Si
d. Ge
e. Ca
2) Microwaves have higher energy than _________ and lower frequency than __________.
a. radiowaves, radiowaves
b. radiowaves, infrared radiation
c. infrared radiation, radiowaves
d. infrared radiation, infrared radiation
3) An electron with the quantum numbers n=3, l=1, ml=1 & ms=-1/2 is in the_____ subshell.
a. 1d
b. 2p
c. 3s
d. 3p
e. 3d
4) What is the formal charge on the carbon atom in the HNC molecule (H---N---C)?
a. -5
b. -1
c. 0
d. +1
e. +4
5) In order to produce sp3 hybrid orbitals, _______ s atomic orbital(s) and _______ p atomic
orbital(s) must combine.
a. one, three
b. one, two
c. one, one
d. two, two
e. two, three
6) The head-to-head, in phase, overlap of 2 atomic px orbitals yields which molecular
orbital:
+ ____________
a. σ
b. π
c. σ*
d. π*
GenChem I 2
Fall 2018 Exam 2A
