Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

uch valentli element– bir element, atom yoki uchta valentga ega bo'lgan guruh
triad–an element, atom, or group having a valence of three
uch xlorli etilen–rangsiz, zaharli suyuqlik, c2 hcl 3, asosan metallar uchun yog'sizlantiruvchi vosita sifatida ishlatiladi va ayniqsa, quruq tozalash uchun yog'lar, yog'lar va mumlar uchun ishlatiladi.		trichloroethylene–a colorless, poisonous liquid, c 2 hcl 3 , used chiefly as a degreasing agent for metals and as a solvent, especially in dry cleaning, for fats, oils, and waxes.
uchlamchi spirt–trivalent organik radikal coh o'z ichiga olgan spirt.		tertiary alcohol – an alcohol containing the trivalent organic radical coh
uglerod–organik birikmalarni vodorod, kislorod, va hokazo. birikmalar bilan hosil qiladigan va olmos va grafit kabi sof holatda va ko'mir kabi nosoz holatda yuzaga keladigan keng tarqalgan element. Ramz: s; atomi og'irligi: 12.011; atom raqami: 6; o'ziga xos tortishish: (olmosdan) 20 ° c da 3,51; (grafit) 2 ° dan 20 ° c gacha.		carbon– a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal. Symbol: c; atomic weight: 12.011; atomic number: 6; specific gravity: (of diamond) 3.51 at 20°c; (of graphite) 2.26 at 20°c.