What Is the Ground-State Electron Configuration for the Calcium Ion

question 54

Multiple Choice

What is the ground-state electron configuration for the calcium ion, Ca²⁺?

• A)1s²2s²2p⁶3s²3p⁶
• B)1s²2s²2p⁶3s²3p⁶3d²
• C)1s²2s²2p⁶3s²3p⁶4s²
• D)1s²2s²2p⁶3s²3p⁶4s²3d²
• E)1s²2s²2p⁶3s²3p⁶3d⁴

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