Ba,Ca,Na,Mn,Zn,Fe,Ni,Sn,Pb,Cr
常见金属还原性由强到弱排列为
K,Ba,Ca,Na,Mg,Al,Mn,Zn,Cr,Fe,Ni,Sn,Pb,(H),Cu,Hg,Ag,Pt,Au
自己对照着排一下吧