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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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