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Assinale a alternativa que contém apenas substâncias simples?​
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Assinale a alternativa que contém apenas substâncias simples?​

User Madhavan Malolan
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Answer:

Substâncias simples são formadas por átomos de um mesmo elemento químico e substâncias compostas são formadas por átomos (ou íons) de elementos químicos diferentes. Disciplinas Biologia.

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User Walidix
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