Umoya-mpilo

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I-oksijeni iyinhlanganisela yamakhemikhali enophawu O nenombolo ye-athomu 8. Iyilungu leqembu le-chalcogen etafuleni lezikhathi, i-nonmetal esebenza kakhulu, ne-ejenti ye-oxidizing eyenza kalula ama-oxide anezinto eziningi kanye namanye amakhemikhali. Ngemuva kwe-hydrogen ne-helium, i-oxygen iyinto yesithathu eningi kunayo yonke emhlabeni ngobuningi. Ekushiseni okujwayelekile nokucindezela, ama-athomu amabili e-element abopha ukwakha i-dioxygen, igesi ye-diatomic engenambala futhi engenaphunga ene-formula O Igesi ye-diatomic oxygen njengamanje yakha u-20.95% womkhathi womhlaba, yize lokhu kushintshe kakhulu esikhathini eside. I-oksijeni yakha cishe isigamu soqweqwe loMhlaba ngesimo sama-oxide.

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