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nº38 : estroncio : 2/8/18/8/2
[Kr] 5s^2
nº17 : cloro : 2/8/7
[Ne] 3s^2 3p^5
Nº46 : paladio : 2/8/18/18
[Kr] 4d^10
Nº92 : uranio : 2/8/18/32/21/9/2
[Rn] 5f^3 6d^1 7s^2
saludos desde venezuela