Polyatomic Ions and Their Names

A set of flashcards covering various polyatomic ions and their chemical formulas or names.

What is the chemical formula for Ammonium?

NH4+

What is the name of the ion with the formula Hg2 2+?

Mercury(I)

What is the formula for Hydroxide?

OH-

What is the name of the ion represented by the formula CN-?

Cyanide

What is the formula for Thiocyanate?

NCS or SCN

What is the name of the ion with the formula PO3 3-?

Phosphite

What is the formula for Acetate?

C2H3O2-

What is the name of the ion represented by the formula CrO4 2-?

Chromate

What is the formula for Dichromate?

Cr2O7 2-

What is the name of the ion represented by the formula MnO4-?

Permanganate

What is the formula for Carbonate?

CO3 2-

What is the name of the ion with the formula HCO3-?

Hydrogen carbonate (Bicarbonate)

What is the formula for Phosphate?

PO4 3-

What is the name of the ion with the formula HPO4 2-?

Hydrogen phosphate

What is the name of the ion represented by the formula H2PO4-?

Dihydrogen phosphate

What is the formula for Nitrate?

NO3-

What is the name of the ion with the formula NO2-?

Nitrite

What is the formula for Sulfate?

SO4 2-

What is the name of the ion represented by the formula SO3 2-?

Sulfite

What is the formula for Perchlorate?

ClO4-

What is the name of the ion with the formula ClO3-?

Chlorate

What is the formula for Chlorite?

ClO2-

What is the name of the ion represented by the formula BrO4-?

Perbromate

What is the formula for Bromate?

BrO3-

What is the name of the ion with the formula IO3-?

Iodate

What is the formula for Bromite?

BrO2-

What is the name of the ion represented by the formula IO2-?

Iodite

What is the formula for Hypochlorite?

ClO-

What is the name of the ion with the formula BrO-?

Hypobromite

What is the formula for Hypoiodite?

IO-