QQuestionChemistry
QuestionChemistry
Which of the following electronic configurations violates the Aufbau principle in creating a ground state electronic configuration?
[Ne] 3s²
[Ne]
[Ne] 3s² 3p⁴
[Ne] 3s¹ 3p⁴
[Ne] 3s² 3p²
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Answer
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Step 1I'll solve this step by step, focusing on the Aufbau principle and electronic configuration rules.
Step 2: Understanding the Aufbau Principle
The Aufbau principle states that electrons fill orbitals from lowest to highest energy level, following these key rules: - Electrons fill orbitals in order of increasing energy - Each orbital can hold a maximum of 2 electrons with opposite spins - Lower energy orbitals must be filled before higher energy orbitals
Final Answer
[\mathrm{Ne}] and [\mathrm{Ne}] 3s^{1} 3p^{4} violate the Aufbau principle.
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