9.4)Which of the following is the correct ground state electron configuration for Rb? s²2s s²3p64s²3d¹04p64d¹ 15²2 3s²3p64s²3d¹04p65s¹ 1s²2s²2p 3s²3p63d1¹04s²4p64d¹ 1s²2s²2p62d103s²sp63d⁹

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