Степень окисления химических элементов.
Химия для начинающих;) В уроке подробно рассказывается, как определять степень окисления химических элементов.
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8 months ago 00:07:48 2
8 months ago 00:15:39 1
8 months ago 00:10:12 1
9 months ago 00:13:13 1
9 months ago 00:08:14 1
9 months ago 00:02:59 1
9 months ago 00:07:20 2
9 months ago 01:27:49 1
9 months ago 00:02:29 1
9 months ago 00:41:40 1
9 months ago 00:08:26 1
9 months ago 01:30:03 1
9 months ago 00:03:15 1
10 months ago 02:15:42 1
10 months ago 02:09:27 1
10 months ago 00:07:06 1
10 months ago 00:12:55 2
10 months ago 00:23:04 1
10 months ago 00:11:18 1
10 months ago 00:10:17 1
10 months ago 00:07:32 1
10 months ago 01:22:14 1
11 months ago 00:00:00 28
11 months ago 02:00:24 1
