Respuesta:
(Z = 25): 1s2 2s2 2p6 3s2 3p6 4s2 4p5.
(Z=43): 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6,4d7
( = 71): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d1
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Verified answer
Respuesta:
(Z = 25): 1s2 2s2 2p6 3s2 3p6 4s2 4p5.
(Z=43): 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6,4d7
( = 71): 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d1