eng yengil metal, Na, K, Li, H2, eng yengil element, Na, K, Li, H2, eng og'ir metal, Os, Na, Fe, Fr, eng suyuq metal, Fe, Hg, Al, H2, oddiy moddalar keltirilgan qatorni toping, Suv, Femir, osh tuzi, xlorid kislata, Havo tarkibida nechchi %kislarod bor, 77%, 1%, 11.1%, 21%, Murakkab moddalar keltirilgan qatorni toping, osh tuzi, vodorod, kislarod, temir, Oksidlar keltirilgan qatorni toping, NaCl, NaOH, Na2O, Na, kislatalar keltirilgan qatorni toping, HCl, H2O, H2, NaOH, Ozon formulasini toping, O2, O3, H2, N2

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