Ustal stopnie utlenieniaa) pierwiastków w cząsteczkach:
b) pierwiastków w jonach:
a) Cl +I , O -II
N +VIII , O -II
H +I , O -I
Al +III , O -II
b) Cr +VI , O -II
As +III , O -II
H +I , As -V (tu we wzorze jest raczej H3As)
Cl +VII , O -II
Cr +VI , O -II
J +V , O -II
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a) Cl +I , O -II
N +VIII , O -II
H +I , O -I
Al +III , O -II
b) Cr +VI , O -II
As +III , O -II
H +I , As -V (tu we wzorze jest raczej H3As)
Cl +VII , O -II
Cr +VI , O -II
J +V , O -II