day cac kim loai nao sau day duoc sap xep dung theo chieu hoat dong hoa hoc tang dan?A.K,Mg,Cu,A1,Zn,Fe B.Fe,Cu,K,Mg,A1,ZnC.Cu,Fe,Zn,A1,Mg,K D.Zn,K,Mg,Cu,A1,Fe
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