AP Chemistry Unit 2 Quiz
Assessment
•
Cynthia Hofferth
•
Chemistry
•
11th - 12th Grade
•
2K plays
•
Medium
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25 questions
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1.
Multiple Choice
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
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
3.
Multiple Choice
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
4.
Multiple Choice
A valid Lewis structure of _______ cannot be drawn without violating the octet rule.
NF3
IF3
PF3
SbF3
SO42-
5.
Multiple Choice
Which atom can accommodate an octet of electrons, but doesn't necessarily have to accommodate an octet?
N
C
H
O
B
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