Атом
00:00 - Вступление и план занятия
00:25 - Схема строения атома
02:47 - Состав атома
04:57 - Изотопы
06:10 - Изобары
06:50 - Электронная оболочка
3 days ago 00:00:43 1
3 days ago 00:05:19 7
3 days ago 00:00:00 3
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3 days ago 00:09:45 97
4 days ago 00:14:37 1
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4 days ago 00:07:35 4
4 days ago 00:06:58 1
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5 days ago 00:03:00 18
5 days ago 01:49:25 1
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5 days ago 00:25:49 1
6 days ago 00:09:49 28
6 days ago 00:00:56 1
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6 days ago 00:12:01 159
7 days ago 00:03:23 3
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1 week ago 00:01:38 1
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1 week ago 00:08:04 1
