AP Chemistry Unit 2 Quiz
Authored by Cynthia Hofferth
Chemistry
11th - 12th Grade
NGSS covered
Used 2K+ times
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About
This AP Chemistry Unit 2 review quiz was created by educator Cynthia Hofferth, tailored to 11th-12th Grade students, and designed to address key topics covered in AP Chem Unit 2 for practice tests. It covers concepts such as Lewis structures, electronegativity, resonance, bond enthalpy, VSEPR geometry, formal charge, and the differences between ionic and molecular compounds. Teachers are able to assign this test in the classroom for review, as a homework assignment, or even as a test prep. At the same time, students will work with 25 multiple-choice questions that can support their preparation for the Unit 2 progress check MCQ and AP Chemistry Unit 2 practice test. With this test, students will be exposed to different types of questions that can boost their problem-solving skills, especially important for successfully completing their AP exam and beyond.
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Lewis structure of N2H2 shows __________.
a nitrogen-nitrogen triple bond
a nitrogen-nitrogen single bond
each nitrogen has one lone pair
each nitrogen has two lone pairs
each hydrogen has one lone pair
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the nitrite ion (NO2-), __________.
both bonds are single bonds
both bonds are double bonds
both bonds are the same because of resonance
there are 20 valence electrons
there is one single and one double bond
Tags
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The ability of an atom in a molecule to attract electrons is best quantified by the ______.
electronegativity
paramagnetism
diamagnetism
electron change-to-mass ratio
first ionization energy
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A valid Lewis structure of _______ cannot be drawn without violating the octet rule.
NF3
IF3
PF3
SbF3
SO42-
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which atom can accommodate an octet of electrons, but doesn't necessarily have to accommodate an octet?
N
C
H
O
B
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the resonance form of ozone shown, the formal charge on the central oxygen atom is _______.
0
+1
-1
+2
-2
Tags
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bond enthalpy is __________.
always negative
always positive
sometimes positive and sometimes negative
always zero
unpredictable
Tags
NGSS.HS-PS1-4
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