Which of the Following Electron Configurations Is Impossible

question 31

Multiple Choice

Which of the following electron configurations is impossible?

• A)1 s ²2 s ²2 p ⁶3 s ²3 p ⁴
• B)1 s ²2 s ²2 p ⁵3 s ¹3 p ⁴
• C)1 s ²2 s ²2p ⁶3 s ²3 p ⁶3 d ¹⁰4 s ²
• D)1 s ²2 s ²2 p ⁶3 s ³3 p ⁴
• E)1 s ¹2 s ²2 p ⁶3 s ²3 p ⁴

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