RE: RE: LeoThread 2026-03-23 23-05
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RE: LeoThread 2026-03-23 23-05

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Ground-state electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 5d¹⁰ 6s¹