
Concept explainers
Write Lewis dot symbols for the following atoms and ions:

Interpretation:
The Lewis dot symbols for the given atoms and ions are to be written.
Concept introduction:
Lewis dot symbols contain dots that give information about the valence electrons.
Lewis dot symbols show both bond and lone pairs as dots.
Lewis structures show bonds as lines and lone pairs as dots.
Answer to Problem 5QP
Solution:
a)
b)
c)
d)
e)
f)
g)
h)
i)
j)
k)
l)
m)
n)
Explanation of Solution
a) Atom—
The number of valence electrons in
atom is
So, there are
So, the Lewis structure for
b) Ion—
The number of valence electrons in
So, there are
So, the Lewis structure for
is as follows:
c) Atom—
The number of valence electrons in
atom is
So, there are 3 lone pairs present.
So, the Lewis structure for
is as follows:
d) Ion—
The number of valence electrons in
So, there are
So, the Lewis structure for
is as follows:
e) Atom—
The number of valence electrons in
atom is
So, there are
So, the Lewis structure for
is as follows:
f) Ion—
The number of valence electrons in
So, there are
So, the Lewis structure for
is as follows:
g) Atom—
The number of valence electrons in
atom is
So, there are no lone pairs present.
So, the Lewis structure for
is as follows:
h) Ion—
The number of valence electrons in
So, the Lewis structure for
is as follows:
i) Atom—
The number of valence electrons in
atom is
So, the Lewis structure for
is as follows:
j) Ion—
The number of valence electrons in
So, the Lewis structure for
is as follows:
k) Atom—
The number of valence electrons in
atom is
So, the Lewis structure for
is as follows:
l) Ion—
The number of valence electrons in
So, the Lewis structure for
is as follows:
m) Atom—
The number of valence electrons in
atom is
So, the Lewis structure for
is as follows:
n) Ion—
The number of valence electrons in
So, the Lewis structure for
is as follows:
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Chapter 8 Solutions
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