The ion with the formula SO32– is called sulfite.
Sulfite is a polyatomic ion that consists of one sulfur atom and three oxygen atoms. It carries a negative charge of 2, which is indicated by the ²⁻ in its formula. In chemical terms, sulfite can be represented as SO32–. It is often encountered in various chemical reactions and is a common component in environmental chemistry, particularly in relation to sulfur compounds and their effects.