Заметны ли узелки на системе
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![⚛ Какого размера атом? Как атом устроен на самом деле? [ ted ed на русском ]](https://sun9-63.userapi.com/MTolQ1mu7k2jpLmTqBAKjEYNWIew5u36c74VJg/bBxA0mgwE0I.jpg)
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