Polyatomic ions list

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged species (ion) composed of two or more atoms covalently bonded, which can be either positively or negatively charged.

Front

What is the formula for the chromate ion?

Back

CrO₄²⁻

Front

What is the formula for the dichromate ion?

Back

Cr₂O₇²⁻

Front

What is the formula for the chlorate ion?

Back

ClO₃⁻

Front

What is the formula for the nitrate ion?

Back

NO₃⁻

Front

What is the formula for the sulfate ion?

Back

SO₄²⁻

Front

What is the formula for the carbonate ion?

Back

CO₃²⁻

Front

What is the formula for the hydroxide ion?

Back

OH⁻

Front

What is the formula for the phosphate ion?

Back

PO₄³⁻

Front

What is the formula for the ammonium ion?

Back

NH₄⁺