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Question 1 of 10
1. Question
From left to right, what are the formal charges on each nitrogen in the azide ion, shown below?
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Question 2 of 10
2. Question
From left to right, what are the formal charges on each oxygen atom in ozone, shown below?
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Question 3 of 10
3. Question
What is the formal charge on sulfur in the structure shown below?
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Question 4 of 10
4. Question
What is the formal charge on the carbon on the right in the molecule shown below?
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Question 5 of 10
5. Question
To be able to assign a formal charge to an atom, all of the bonds and unshared electrons must be shown. However, in organic chemistry, it is common to just show the formal charge on an atom and omit any unshared electrons. Knowing the number of bonds and the formal charge allows for the determination of the number of unshared electrons. How many unshared electrons must be on carbon in cyanide, shown below?
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Question 6 of 10
6. Question
How many unshared electrons must be on the sulfur atom for it to have a zero formal charge?
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Question 7 of 10
7. Question
How many hydrogens would have to be bonded to the indicated carbon for it to have a −1 formal charge?
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Question 8 of 10
8. Question
In the structure shown below, how many hydrogens would have to be bonded to the indicated carbon for it to have a zero formal charge?
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Question 9 of 10
9. Question
The sum of all formal charges in a compound must equal the overall charge on the compound. What is the overall charge on the molecule shown below?
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Question 10 of 10
10. Question
What is the overall charge on the molecule shown below?
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