酸さん化か数すう

noun

oxidation number

Chemistry term for the hypothetical charge of an atom if all bonds were ionic. Used in redox reactions and nomenclature.

• 過かマンガン酸さんカリウムでは、マンガンの酸さん化か数すうは+7です。

  In potassium permanganate, the oxidation number of manganese is +7.