Talk:Boron
Latest comment: 9 years ago by Revent
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)