Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

flyuorid– bir natriy florid, NaF kabi florin bo'lgan ikki elementdan tashkil topgan gidroflorik kislota tuzi.
fluoride– a salt of hydrofluoric acid consisting of two elements, one of which is fluorine, as sodium fluoride, NaF.
formaldegid–odatda, suvli eritmada ishlatiladigan, dezinfektsiyalovchi va konservant sifatida ishlatiladigan, rangli, toksik, potentsial kanserojenik, suvda eriydi, CH2O, odatda oksidlanish orqali metil spirtdan olinadi va turli rezinalar va plastmassalardan.		formaldehyde– a colorless, toxic, potentially carcinogenic, water-soluble gas, CH 2 O, having a suffocating odor, usually derived from methyl alcohol by oxidation: used chiefly in aqueous solution, as a disinfectant and preservative, and in the manufacture of various resins and plastics.
formula – so'z yoki ta'rif berish yoki tartibga solish uchun ko'rsatma berish yoki ba'zi bir marosimlarda foydalanish uchun ma'lum bir shakl yoki so'zlarni ifodalash uchun.		formula – a set form of words, as for stating or declaring something definitely or authoritatively, for indicating procedure to be followed, or for prescribed use on some ceremonial occasion.
fosfor– eng kamida uchta allotropik shaklda mavjud bo'lgan, qora, zaharli, yonuvchan va qorong'ida nurli bo'lgan, qizil, kamroq zaharli va kamroq yonuvchan, ikkinchisi esa qora, eruvchan, ko'p eruvchan , eng kam yonuvchan. Element tutun ekranlarini shakllantirishda ishlatiladi, uning aralashmalari hamda fosforli o'g'itlarda ishlatiladi va suyak, nerv va embrionlarda o'simlik va hayvonot hayotining tarkibiy qismi hisoblanadi. Ramz: R; atom og'irligi: 30,974; Atom soni: 15, o'ziga xos tortishish darajasi: (sariq) 1.82 20 ° C, (qizil) 2.20 20 ° C, (qora) 2.25-2.69 20 ° C.		phosphorus– a solid, nonmetallic element existing in at least three allotropic forms, one that is yellow, poisonous, flammable, and luminous in the dark, one that is red, less poisonous, and less flammable, and another that is black, insoluble in most solvents, and the least flammable. The element is used in forming smoke screens, its compounds are used in matches and phosphate fertilizers, and it is a necessary constituent of plant and animal life in bones, nerves, and embryos. Symbol: P; atomic weight: 30.974; atomic number: 15;specific gravity: (yellow) 1.82 at 20°C, (red) 2.20 at 20°C, (black) 2.25–2.69 at 20°C.