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Lewis Dot Structures

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Last updated over 5 years ago
34 questions
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1
Please draw Lewis dot structures and assign formal charges for the compounds below.

The video is an overview of how to draw Lewis dot diagrams, if you need it.
Draw a lewis dot structures for the following compounds. Please assign formal charges and record them in the short answer boxes below. Please include the sign (+ or -) before the number, followed immediately by the charge number (no spaces). For example: +3 instead of + 3 or 3+.
Question 1
1.

CO₂

Question 2
2.

Formal charge on C in CO2

Question 3
3.

Formal charge on O in CO2

Question 4
4.

NF₃

Question 5
5.

Formal charge on N in NF3

Question 6
6.

Formal charge on F in NF3

Question 7
7.

O₃

Question 8
8.

Formal charge on the left O in O3

Question 9
9.

Formal charge on the middle O in O3

Question 10
10.

Formal charge on the right O in O3

Question 11
11.

NH₄ ⁺

Question 12
12.

Formal charge on the N in NH4+

Question 13
13.

Formal charge on the H in NH4+

Question 14
14.

NO3 -

Question 15
15.

Formal charge on the N in NO3-

Question 16
16.

Formal charge on two of the O's in NO3-

Question 17
17.

Formal charge on one of the O's in NO3-

Question 18
18.

CH4

Question 19
19.

Formal charge on the C in CH4

Question 20
20.

Formal charge on the H in CH4

Question 21
21.

PCl4+

Question 22
22.

Formal charge on the P in PCl4+

Question 23
23.

Formal charge on the Cl in PCl4+

Question 24
24.

O2 (There is no central atom for this one, make sure octets for both are full!)

Question 25
25.

Formal charge on the O in O2

Question 26
26.

N2 (There is no central atom for this one, make sure octets for both are full!)

Question 27
27.

Formal charge on the N in N2

Question 28
28.

BCl3

Question 29
29.

Formal charge on the B in BCl3

Question 30
30.

Formal charge on the Cl in BCl3

Question 31
31.

SCl6

Question 32
32.

Formal charge on the S in SCl6

Question 33
33.

Formal charge on the Cl in SCl6

Question 34
34.

Why is formal charge useful?