As2O5:Ас -3
CrSO4:Cr +6S +6O -2
Na3AsO4:Na +1As +5O -2
AsH3:As -3
AsBr3:As +3Br -1
As:As 0
H3AsO3:As +3
As2O5:
Ас -3
CrSO4:
Cr +6
S +6
O -2
Na3AsO4:
Na +1
As +5
O -2
AsH3:
As -3
AsBr3:
As +3
Br -1
As:
As 0
H3AsO3:
As +3