Строение атома и периодическая таблица
Числа, записанные в ячейке периодической таблицы, могут немало рассказать о строении атома каждого элемента
5 months ago 00:31:32 2
5 months ago 00:00:00 0
7 months ago 01:05:37 18
7 months ago 00:13:16 0
7 months ago 00:06:53 1
7 months ago 01:42:57 0
7 months ago 00:54:28 0
7 months ago 00:12:43 0
8 months ago 02:21:59 0
8 months ago 01:12:09 0
8 months ago 00:09:59 0
8 months ago 00:02:25 0
8 months ago 00:05:08 1
8 months ago 01:39:56 1
8 months ago 00:32:21 0
8 months ago 00:01:00 3
8 months ago 00:02:58 0
8 months ago 00:50:21 0
8 months ago 00:07:24 8
8 months ago 00:44:53 0
8 months ago 00:42:28 0
8 months ago 00:06:41 0
8 months ago 00:06:09 1
8 months ago 02:17:33 0
