Почему водород находится в l и Vll группах таблицы Менделеева?
Водород
2 months ago 00:12:50 1
2 months ago 00:22:34 1
3 months ago 00:04:19 1
4 months ago 00:02:09 1
4 months ago 00:14:12 1
4 months ago 00:14:19 1
4 months ago 00:10:27 1
4 months ago 00:18:57 1
4 months ago 00:04:17 1
4 months ago 00:16:00 1
4 months ago 00:59:05 1
4 months ago 00:04:58 1
4 months ago 00:01:01 1
4 months ago 00:00:10 1
4 months ago 00:15:40 1
4 months ago 00:10:01 1
4 months ago 01:15:22 1
4 months ago 00:14:12 1
4 months ago 00:06:40 5
4 months ago 00:23:05 1
4 months ago 00:26:00 1
4 months ago 00:06:37 1
4 months ago 00:06:29 1
5 months ago 00:30:38 12
