Respuesta:
Explicación:
Calcio= [Ar] 4s²
hierro= [Ar] 3d6 4s2
Fosforo=[Ne] 3s² 3p³
cobre= [Ar] 3d¹⁰ 4s¹
Yodo=[Kr] 4d10 5s2 5p5
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Respuesta:
Explicación:
Calcio= [Ar] 4s²
hierro= [Ar] 3d6 4s2
Fosforo=[Ne] 3s² 3p³
cobre= [Ar] 3d¹⁰ 4s¹
Yodo=[Kr] 4d10 5s2 5p5