Валентность
4 weeks ago 04:13:05 8.8K
4 weeks ago 01:08:35 1
1 month ago 00:25:12 8
1 month ago 00:18:44 2
1 month ago 00:26:31 1
1 month ago 00:01:14 2
1 month ago 00:10:16 46
![[INTENSIVKURS - Учебный Центр для Школьников] Как выучить Химию с нуля за 10 минут? Принцип Ле-Шателье](https://sun9-9.userapi.com/impg/QKs53RChQdknXZfoGNVd1MqimY7VjLIjGT3uFQ/GJZoepX-EXk.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=a0903c58181208fa650f6df29701f9c2&c_uniq_tag=vvW9w1K6_5j0cyOAZ2AtxQ7JKFDdwEM8R8DoCoq0AkI&type=video_thumb)
1 month ago 03:58:14 656
![[Роман Надточий | Химия ОГЭ-ЕГЭ | 8-11 класс] ВСЯ ХИМИЯ 8-11 класс | Полный курс с НУЛЯ за 1 ЗАНЯТИЕ](https://sun9-48.userapi.com/impg/n_XtjhlSPviSBohyuiwo4fi1Yi9TtCljIWG-jA/Xmx-Qx46ydI.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=775dd40cc55df5f9241695e9a32797c2&c_uniq_tag=EhzaGvC7MF12iiwKhJQpWnN_aSWvwG8DDGCgzFJ1nTM&type=video_thumb)
2 months ago 00:28:08 243
2 months ago 00:01:08 1
2 months ago 05:30:51 46.6K
2 months ago 00:10:50 696
2 months ago 02:19:57 39
![[Екатерина Строганова] Урок №04. Периодический закон. Электроотрицательность](https://sun9-58.userapi.com/impg/u1U5blP3gnNagEsifRKBbvrc1jrIpJbDLKjjaA/unIE6V30M3I.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=57bbe5e43bce0e12350cf6ac182acf59&c_uniq_tag=7pPQVWB4wmuMMouySFkZTu7-jKLrivliCF14AzMygOo&type=video_thumb)
2 months ago 00:14:29 1
2 months ago 00:01:46 116
2 months ago 10:03:09 3.4K
2 months ago 00:27:44 1
2 months ago 00:00:10 1
2 months ago 00:03:52 6.9K
2 months ago 00:05:10 66
![[TutorOnline - уроки для школьников] ВАЛЕНТНОСТЬ. Графические формулы веществ | Химия | TutorOnline](https://sun9-49.userapi.com/impg/E-4OCrCIv9N1ZgDs8Ls91S4bap6cfO1neZS-Fw/fsaZ9kvTLwo.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=7b7e76920edde85640ea68b0cc0bcbb6&c_uniq_tag=qwDaD64GPb3yOOWdlGUqL7PGfRPMvGOFukcDR-3P67w&type=video_thumb)
2 months ago 00:08:59 43
![[Химия для школьников. доступно] 100. Правила Клечковского](https://sun9-68.userapi.com/impg/QpMigzr8hr0IJrRIvwusS_-8nWAIgezPZdOt9g/SU9IqPXasz0.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=441c9d5d350dbc96b16f4832cd8903b2&c_uniq_tag=bO0SBQ9i1tU3GLifcBn7FxxSe3PDN3AsBTZ4vORO750&type=video_thumb)
2 months ago 00:04:02 8.8K
2 months ago 02:21:59 1
2 months ago 00:14:25 306