QQuestionChemistry
QuestionChemistry
Which of the following is an exception to the octet rule? Ignore that hydrogen has a duet.
A. CO^2
B. NH^4 +
C. H^2O
D. SF^6
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Answer
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Step 1I'll solve this step by step, focusing on the electronic structure and valence electrons for each molecule.
Step 2: Understanding the Octet Rule
The octet rule states that atoms tend to gain, lose, or share electrons to achieve a stable electron configuration of 8 valence electrons (like noble gases).
Final Answer
SF^6 is the exception to the octet rule because sulfur expands its valence shell beyond 8 electrons.
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