Chemistry·MCQ Practice

Kossel-Lewis Approach to Chemical Bonding — MCQ Practice

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Version 1Updated 21 Mar 2026

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Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

Which of the following molecules violates the octet rule by having an expanded octet?

Q2medium

Calculate the formal charge on the sulfur atom in the sulfate ion, $SO_4^{2-}$ , assuming a Lewis structure with two double bonds and two single bonds.

Q3easy

Which of the following compounds is an example of an incomplete octet?

Q4easy

According to the Kossel-Lewis approach, which of the following statements best describes the formation of an ionic bond?

Q5medium

Which of the following molecules has a central atom that does NOT obey the octet rule?

Q6hard

Which of the following is a limitation of the Kossel-Lewis approach to chemical bonding?