Report - . Alcalini. ShellKLMNOP Li1s 2 [He] 2s Na1s 2 2s 2 2p 6 [Ne] 3s K1s 2 2s 2 2p 6 3s 2 3p 6 [Ar] 4s Rb1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 [Kr] 5s Cs1s.

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