Formal Charge Quiz

Formal charge quiz consists of multiple-choice questions designed to test your knowledge and provide correct answers as you go. Total questions: 18

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1. Which of the following is true about formal charge?

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2. In a Lewis structure with multiple resonance structures, the most stable structure is the one with:

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3. Which element is more likely to have a negative formal charge in a stable Lewis structure?

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4. Does formal charge represent the actual charge on an atom?

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5. The sum of formal charges in an ion should be:

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6. The sum of formal charges in a neutral molecule should be:

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7. When choosing the most stable Lewis structure, which formal charges are preferred?

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8. Which of the following is NOT a reason why the formal charge is useful?

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9. What would be the formal charge on sulfur in SO₄²⁻?

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10. Which of these would have a formal charge of -1

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11. What is the formal charge on the central nitrogen in NO₂⁻?

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12. If an atom has 7 valence electrons, 6 non-bonding electrons, and 1 bond, what's the formal charge?

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13. For a carbon atom with 4 bonds, what is its formal charge?

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14. Which atom in CO₂ would have a formal charge of zero?

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15. What is the formal charge on nitrogen in NH₄⁺?

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16. In a molecule where an oxygen atom has 1 bond and 3 lone pairs, what is the formal charge on the oxygen?

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17. For an atom with 6 valence electrons, 2 non-bonding electrons, and 4 bonding electrons, what is the formal charge?

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18. Which of the following is the formula for calculating formal charge?

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