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2 y - Webmail Universidad de la Frontera

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Configuraciones electrónicas <strong>de</strong> pseudo gases -noblesLos elementos <strong>de</strong> los grupos 3A, 4A, y 5A pue<strong>de</strong>n formarcationes perdiendo suficientes electrones para <strong>de</strong>jar unaconfiguración <strong>de</strong> “pseudo gas noble”. Pier<strong>de</strong>n electrones y<strong>de</strong>jan un orbital d lleno, el cual es bastante estable.Sn [Kr] 5s 2 4d 10 5p 2 Sn 4+ [Kr] 4d 10 + 4 e -Sn [Kr] 5s 2 4d 10 5p 2 Sn 2+ [Kr] 5s 2 4d 10 + 2 e -Pb [Xe] 4f 14 5d 10 6s 2 6p 2 Pb +2 [Xe] 4f 14 5d 10 6s 2 + 2 e -Pb [Xe] 4f 14 5d 10 6s 2 6p 2 Pb +4 [Xe] 4f 14 5d 10 + 4 e -As [Ar] 3d 10 4s 2 4p 3 As 3+ [Ar] 3d 10 4s 2 + 3 e -As [Ar] 3d 10 4s 2 4p 3 As 5+ [Ar] 3d 10 + 5 e -Sb [Kr] 4d 10 5s 2 5p 3 Sb 3+ [Kr] 4d 10 5s 2 + 3 e -Sb [Kr] 4d 10 5s 2 5p 3 Sb 5+ [Kr] 4d 10 + 5 e -

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