(also oxidation state)
Definition of oxidation number in English:
A number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound.
- Electrons are assigned to atoms in covalent and ionic compounds and the oxidation number of each atom is determined.
- A negative oxidation state indicates that an atom can undergo reduction, i.e., gain electrons.
- The oxidation number for both oxygen atoms in hydrogen peroxide is - 1.
Definition of oxidation number in:
- British & World English dictionary
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