pls give an ans for this !
Shivanee sis ... this is ur Ques. which I was also not able to do !
Attachments:
Answers
Answered by
4
2 is your answer dear......
100% right answer
Answered by
4
Answer:
Dear ,whoever u r
Ur answer is 1 electron.
For example take an element of Alkali group
hmm Sodium Na
Electronic configuration = 2, 8 ,1
So it contains 1 electron in its valence shell.
Note : Alkaline earth metals have 2 electrons in their valence shell
thank u
:)
Similar questions