Валентность. Определение валентности по формулам соединений
Валентность
3 years ago 00:09:09 1
4 years ago 00:07:38 15
3 years ago 00:09:23 15
4 years ago 00:04:44 1
3 years ago 00:04:01 12
13 years ago 00:03:12 38
3 years ago 00:03:50 6
4 years ago 00:03:15 399
3 years ago 00:05:30 27
6 years ago 00:05:50 13
3 years ago 00:08:24 74
3 years ago 00:04:21 1
3 years ago 00:07:01 2
8 years ago 00:18:53 1K
2 years ago 00:15:27 2
2 years ago 00:03:48 2
1 year ago 00:03:41 1
10 months ago 00:10:03 1
1 year ago 00:08:34 1
3 years ago 00:06:05 2
3 years ago 00:34:29 7
2 years ago 00:13:02 3
3 years ago 00:17:55 1
5 years ago 00:14:59 76
