Phase Changes Answers

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1
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a

A
nonbonding electrons
B
sigma bond
C
represents two electrons
2
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b

A
nonbonding electrons
B
sigma bond
C
represents core electrons
3

c

A
nonbonding electrons
B
bonding electrons
C
sigma bond
4

P—Cl

A
polar
B
nonpolar
5

C—Cl

A
polar
B
nonpolar
6

Check all features below that you included in your Lewis structure.

A
correct number of N and H atoms
B
N as the central atom
C
line (single bond) between N and all three H atoms
D
two dots (electrons) associated with the N atom
E
no other lines or dots
7

Check all features below that you included in your Lewis structure.

A
correct number of Si and Cl atoms
B
Si as the central atom
C
line (single bond) between Si and each of the four Cl atoms
D
six dots (electrons) associated with each Cl atom
E
no other lines or dots
8

Check all features below that you included in your Lewis structure.

A
correct number of H, O, and F atoms
B
oxygen as the central atom
C
line (single bond) between H and O
D
line (single bond) between O and F
E
four dots (electrons) associated with the O atom
F
six dots (electrons) associated with the F atom
G
no other lines or dots
9

Check all features below that you included in your Lewis structure.

A
correct number of I and F atoms
B
I as the central atom
C
line (single bond) between I and each of the three F atoms
D
six dots (electrons) associated with each of the F atoms
E
four dots (electrons) associated with the I atom
F
no other lines or dots
10

Check all features below that you included in your Lewis structure.

A
correct number of C and O atoms
B
C as the central atom
C
two lines (double bond) between C and each of the two O atoms
D
four dots (electrons) associated with each O atom
E
no other lines or dots
11

Check all features below that you included in your Lewis structure.

A
correct number of H, C, and N atoms
B
C as the central atom
C
line (single bond) between C and H
D
three lines (triple bond) between C and N
E
two dots (electrons) associated with the N atom
F
no other lines or dots
12

C2H2

A
resonance
B
no resonance
13

Do your structures resemble the following?

A
Option
B
Option
15

Br—Br

A
polar
B
nonpolar
16

O3

A
resonance
B
no resonance
17

N—O

A
polar
B
nonpolar

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