CBSE Class 11-science Answered
HOW TO FIND VALENCY USING spdf METHOD ?IS IT POSSIBLE?
Asked by timeyashkadam | 19 Apr, 2019, 10:22: AM
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](https://images.topperlearning.com/topper/tinymce/cache/f6792cfc4f97d88c30ab68df6ff7aa56.png)
![1 s squared 2 s squared 2 p to the power of 6 3 s to the power of 1](https://images.topperlearning.com/topper/tinymce/cache/f6792cfc4f97d88c30ab68df6ff7aa56.png)
3s1 is last shell, which have one electron so Valency=1
Answered by Ravi | 19 Apr, 2019, 12:03: PM
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