Which of the following is the correct ground state electron configuration for a sodium atom? A)1s²2s²2p⁷ B)1s²2s²2p⁶3s²3p¹ C)1s²2s²2p⁶3s¹ D)1s²2s²2p⁶3p¹ E)1s²2s²2p⁶

Question

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The correct ground state electron configuration for sodium is 1s2 2s2 2p6 3s1. Choice C is the only option that includes these energy levels and the correct number of electrons in each sublevel.

Which of the Following Is the Correct Ground State Electron