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Галогены. Электронное строение, простые вещества, способы получения | Химия
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01/04/21
План урока:
• электронная конфигурация галогенов;
• простые вещества – галогены;
• способы получения галогенов.
Мы в социальных сетях:
https://vk.com/domyem
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