3.3.1.0: Lewis Dot Diagrams (Problems)
- Page ID
- 210703
PROBLEM \(\PageIndex{1}\)
Write the Lewis symbols for each of the following ions:
- As3–
- I–
- Be2+
- O2–
- Ga3+
- Li+
- N3–
- Answer a
-
eight electrons:
- Answer b
-
eight electrons:
- Answer c
-
no electrons
Be2+
- Answer d
-
eight electrons:
- Answer e
-
no electrons
Ga3+
- Answer f
-
no electrons
Li+
- Answer g
-
eight electrons:
PROBLEM \(\PageIndex{2}\)
Write the Lewis symbols for the following elements:
- Cl
- Na
- Mg
- Ca
- K
- Br
- Sr
- F
- Answer a
-
- Answer b
-
- Answer c
-
- Answer d
-
- Answer e
-
- Answer f
-
- Answer g
-
- Answer h
-
PROBLEM \(\PageIndex{3}\)
Write the Lewis symbols of the ions in each of the following ionic compounds and the Lewis symbols of the atom from which they are formed:
a. MgS
b. Al2O3
c. GaCl3
d. K2O
e. Li3N
f. KF
- Answer a
-
- Answer b
-
- Answer c
-
- Answer d
-
- Answer e
-
- Answer f
-
PROBLEM \(\PageIndex{4}\)
In the Lewis structures listed here, M and X represent various elements in the third period of the periodic table. Write the formula of each compound using the chemical symbols of each element:
(a)
(b)
(c)
(d)
- Answer a
-
MgS
- Answer b
-
AlCl3
- Answer c
-
Na2S
- Answer d
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Al2S3
PROBLEM \(\PageIndex{5}\)
Identify the atoms that correspond to each of the following electron configurations.
a. 1s22s22p5
b. 1s22s22p63s2
c. 1s22s22p63s23p64s23d104p4
d. 1s22s22p63s23p64s23d104p1
- Answer a
-
F
- Answer b
-
Mg
- Answer c
-
Se
- Answer d
-
Ga
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Contributors and Attributions
Paul Flowers (University of North Carolina - Pembroke), Klaus Theopold (University of Delaware) and Richard Langley (Stephen F. Austin State University) with contributing authors. Textbook content produced by OpenStax College is licensed under a Creative Commons Attribution License 4.0 license. Download for free at http://cnx.org/contents/85abf193-2bd...a7ac8df6@9.110).
- Adelaide Clark, Oregon Institute of Technology
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