1.

Identifythe leststable ion amongst the following?

Answer»

`Li^(-)`
`Be^(-)`
`B^(-)`
`C^(-)`

SOLUTION :Be alreadyhas fullyfilled 2s- subshell`(2 s^(2))`and thereforeshowstittletendencyto acceptan extraelectronto form `Be^(-)`.


Discussion

No Comment Found