Question

make a table of polyatomic Ions with valency? Class 10th​

Answer 1

Answer:

the oxidation numbers of all the atoms in the polyatomic ion. The valency of an atom is equal to the number of electrons in the outer shell if that number is four or less. Otherwise, the valency is equal to eight minus the number of electrons in the outer shell.

Table 1: Cations (+1 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

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-

Table 4: Anions (-3 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Phosphate PO43-

Answer 2

Here is your'e answer!!!!!