Неметаллы

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17:46 Цемент 12,447 views 0 0 Details by Administrator 12 years ago in Неметаллы
17:19 Фосфор 9,126 views 0 0 Details by Administrator 12 years ago in Неметаллы
19:48 Углерод 12,707 views 0 0 Details by Administrator 12 years ago in Неметаллы
4:42 Стекло 13,277 views 0 0 Details by Administrator 12 years ago in Неметаллы
19:31 Сера 12,949 views 0 0 Details by Administrator 12 years ago in Неметаллы
10:06 Сера в природе 8,683 views 0 0 Details by Administrator 12 years ago in Неметаллы
4:34 Производство цемента 12,299 views 0 0 Details by Administrator 12 years ago in Неметаллы
18:08 Получение Азота, Амм... 9,014 views 0 0 Details by Administrator 12 years ago in Неметаллы
10:11 Окись углерода 13,863 views 0 0 Details by Administrator 12 years ago in Неметаллы
18:58 Кремний 12,719 views 0 0 Details by Administrator 12 years ago in Неметаллы
4:14 Керамика 11,580 views 0 0 Details by Administrator 12 years ago in Неметаллы
19:11 Известь, её производ... 12,168 views 0 0 Details by Administrator 12 years ago in Неметаллы
9:52 Двуокись углерода 13,390 views 0 0 Details by Administrator 12 years ago in Неметаллы
17:41 Воздух 8,660 views 0 0 Details by Administrator 12 years ago in Неметаллы
18:48 Водород 9,126 views 0 0 Details by Administrator 12 years ago in Неметаллы
16:36 Вода 8,161 views 0 0 Details by Administrator 12 years ago in Неметаллы
18:28 Аллотропные формы уг... 8,294 views 0 0 Details by Administrator 12 years ago in Неметаллы