Question

can you give list of all polyatomic ions with symbol and valancy​

Answer 1

Ammonium NH4+





Hydronium H3O+





Index

Table 2: Anions (-1 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Bicarbonate HCO3-





Cyanide CN-





Hydrogen Sulfate HSO4-





Hydroxide OH-





Nitrate NO3-





Nitrite NO2-





Perchlorate ClO4-





Permanganate MnO4-





Index

Table 3: Anions (-2 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Carbonate CO32-





Chromate CrO42-





Dichromate Cr2O72-





Hydrogen Phosphate HPO42-





Sulfate SO42-





Sulfite SO32-





Thiosulfate S2O32-





Index

Table 4: Anions (-3 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Phosphate PO43-

Answer 2

hydroxide (OH). -1

nitrate (NO3)-1. -1

carbonate (CO3)-2. -2

sulphate. (SO4)-2. -2