il y a combien des ions polyatomiques positif?
1, ammonium NH4+
CH3COO -
acétate
CO3 2-
carbonate
ClO3 -
chlorate
ClO2 -
chlorite
CrO4 2-
chromate
CN -
cyanure
Cr2O7 2-
dichromate
HCO3 -
carbonate d’hydrogene, bicarbonate
HSO4 -
sulfate d’hydrogene, bisulfate
HS -
sulfure d’hydrogène, bisulfure
HSO3 -
sulfite d’hydrogene, bisulfite
OH -
hydroxyde
ClO -
hypochlorite
NO3 -
nitrate
NO2 -
nitrite
ClO4 -
perchlorate
MnO4 -
permanganate
PO4 3-
phosphate
PO3 3-
phosphite
SO4 2-
sulfate
SO3 2-
sulfite
NH4 +
ammonium
acétate
CH3COO -