Atom molekulyar ta'limotni kim yaratgan?, Lomonosov, Dalton , Broun, Demokrit, Eng qiyin suyuqlanuvchi metall?, W, Pt, Al, Au, Kislorod elementini allotropik shaklini ko'rsating?, O3 va O4, O2 va O3, O5 va O, A va B, Modda hosil qilish jarayoni?, analiz , sintez, miqdor analizi, allotropiya, Neytrall atomda qanday tenglik mavjud?, proton = neytron, proton = massa, proton =elektron, elektron = neytron, Quyidagilardan qaysi biri metall?, O, S, Cl, Fe, Kislotalar eritmada qanday ion hosil qiladi?, OH-, Na+, H+, Cl-, Zn + HCl=reaksiya natijasida nima ajraladi?, O2, CO2, H2, Cl2, Eng og'ir metall?, Ca, Au, Ag, Os, Qaysi biri ishqor?, CaCO3, NaOH, HNO3, CO2, uglerodning necha xil allotropiyasi bor?, 4, 3, 5, 2, Elektron zaryadi qanday?, neytral, musbat, manfiy, o'zgaruvchan, Metan formulasini toping?, CH3, C3H8, C2H6, CH4, Alkanlarning umumiy formulasi qaysi?, CnH2n+2, CnH2n, CnHn, CnH2n-2, Glyukoza qaysi sinfga kiradi?, Aldegid, Spirt, Uglevod, Kislota.

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