= Polyvalency (chemistry)
{wiki=Polyvalency_(chemistry)}
Polyvalency, in chemistry, refers to the property of an element or compound to form multiple bonds with other atoms or ions. This term is often used in the context of elements that have multiple valence states, meaning they can lose or gain different numbers of electrons depending on the chemical environment. For example, elements like transition metals often exhibit polyvalency by being able to adopt multiple oxidation states (e.g., iron can exist as Fe²⁺ or Fe³⁺).
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