My book says it has something to do with the inert pair effect. And unlike As, Sb and Bi tend to form 3 covalent bonds rather than 5. I don't understand what's really going on here.
$\begingroup$
$\endgroup$
1
-
$\begingroup$ see this:chemistry.stackexchange.com/questions/33815/… $\endgroup$ – Nilay Ghosh Sep 24 '16 at 11:41
Add a comment
|
