Talk:Boron

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gostaria de saber por que a formula molecular H3BO3 acido bórico, o boro só tem três elétrons na ultima camada e faz três ligações, assim seis eletrons na sua camada de valencia. — Preceding unsigned comment added by 186.228.144.138 (talk • contribs)

@186.228.144.138: Off-topic, but [B(OH)4]− exists, and is called Tetrahydroxyborate. The enwiki article I linked explains why boric acid is more common. Revent (talk) 14:16, 28 March 2015 (UTC)[reply]
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