Ermetova jamila ismailovna ermetov amirbek ismailovich karimova munisa maxsud qizi

alkane derivative – any of the series of saturated hydrocarbons including methane, ethane, propane, and higher members.

allotrop – bir element mavjud bo'lgan ikki yoki undan ortiq turli xil jismoniy shakllar. Grafit, ko'mir va olmos barcha uglerod allotroplari	allotrope – each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon
allotropiya –kimyoviy elementlarning ikki yoki undan ortiq xil jismoniy shakllarining mavjudligi.	allotropy – the existence of two or more different physical forms of a chemical element.