Phương pháp giải Bài tập về Kim loại lưỡng tính

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;c-<@ 0< ,-*&:
X& 8K1!`-q-37!;,1(0
8K1!<F,9
$!`-2#r- &f,:,^J*&:7@

r- ,-a*&: *,1!< 0!<4d
$!`-C#r- ,:,^37!7@#


$!,17@ 007@ 37!2Fr- ,-
a7 0 *,1!< 0!<d
CM< < J*&:
;ss<@ 0<@ ,-*&:
X& 8K1!`-q-37!;,1(0
8K1!<F,9

$!`-2#r- &f,:,^J*&:7@

r- ,-a*&: *,1!< 0!<4d
$!`-C#r- ,:,^J*&:7@
 

$!,17@ 007@ 37!2Fr- ,-
a7 0 *,1!< 0!<d
ELI-*J*_*J*B*GD+
;,1*J*/*GJ<*8,1
<*p+
a#lcI-_ ,-0F()
oQF2#Tp!,-2a*aB,*D
oQFC#Lp!< ,-Ca*aB,*D
;,1#tF217@
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tFC17@
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X& *,1.F2+u- ,-a 
!QFC7 0 ,&- ,-a7 
M#W(0'