"113591314"^^ . . . "0"^^ . . "0"^^ . . . "112826066"@en-us . "oxidation number"^^ . . "the degree of oxidation of an atom or ion or molecule; for simple atoms or ions the oxidation number is equal to the ionic charge; \"the oxidation number of hydrogen is +1 and of oxygen is -2\""@en-us . "13591314-n"^^ . . . . "oxidation state"@en-us . . "oxidation number"@en-us .