What Is the Electron Configuration of Calcium

question 24

Multiple Choice

What is the electron configuration of calcium

• A) 1s²2s²2p⁶3s²3p⁶4s¹ or [Ar]4s¹
• B) 1s²2s²2p⁶3s²3p⁶ or [Ar]
• C) 1s²2s²2p⁶3s²3p⁶4s³ or [Ar]4s³
• D) 1s²2s²2p⁶3s²3p⁶4s² or [Ar]4s²
• E) None of the above

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