AP Chemistry Unit 2.2 & 2.5 Practice
Quiz
•
Chemistry
•
11th Grade
•
Medium
+1
Standards-aligned
Jessica Holmes
Used 4+ times
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30 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
30 sec • 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
3.
MULTIPLE CHOICE QUESTION
30 sec • 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-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As the number of covalent bonds between two atoms increases, the distance between the atoms ______ and the strength of the bond between them ______.
increases, increases
decreases, decreases
increases, decreases
decreases, increases
is unpredictable
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these bonds takes the most energy to break?
single
double
triple
quadruple
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Potassium iodide, KI,has the following bonding:
ionic
metallic
nonpolar covalent
polar covalent
Tags
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The electronegativity of C is 2.5, F is 4.0. predict the character of a C-F bond.
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