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CBSE Class 11-science Answered

HOW TO FIND VALENCY USING spdf METHOD ?IS IT POSSIBLE?

Asked by timeyashkadam | 19 Apr, 2019, 10:22: AM
Expert Answer
Yes It is possible .
 
Let's understand this by an example
 
Electronic configuration of Na is 11. 
 
Let us write configuration of Na= 1 s squared 2 s squared 2 p to the power of 6 3 s to the power of 1
3s is last shell, which have one electron so Valency=1
Answered by Ravi | 19 Apr, 2019, 12:03: PM
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