Nos itens a b e c abaixo são fornecidas as fórmulas moleculares de algumas substâncias represente as pelas
Nos itens a b e c abaixo são fornecidas as fórmulas moleculares de algumas substâncias represente as pelas formas de lewis. a) h2ob) nh3 (amônia, gás usado como refrigerante)c) h2 (o combustível limpo)
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