Question

Escreva a formula do composto resultante da combinação entre 12Al e 9F

Answer 1

$\mathsf{Al \rightarrow cation\ trivalente} = \mathsf{Al^{+3}}\\\mathsf{F \rightarrow familia\ dos\ halogenios} = F^{-}\\\\\\\mathsf{Cruzando\ as\ cargas,}\\\mathsf{Al^{+3} F^{-}}\\\\\boxed{\mathsf{= AlF_3}}$

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