схожие и отличие между уголь и сера

схожие и отличие между уголь и сера
- Предмет:
  Химия
- Автор:
  phoebeabl6
- 5 лет назад

Ответы 2

сспс
- Автор:
  nathen
- 5 лет назад
- 0
Сера - простой элемент, т.е. состоит из одного эл-та, а уголь это смесь разных химических в-в (углерод, конечно, преобладает). Уголь/Углерод находится в 4-ой группе главной подгруппы, а сера в 6-ой группе, заряд ядра у серы 16, а у углерода 6 и т.д.
- Автор:
  pookie6tik
- 5 лет назад
- 0
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схожие и отличие между уголь и сера

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