Science, asked by Anonymous, 10 months ago

please give the answer​

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Answered by tisha2306
1

Answer:

Outermost shell.

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Answered by ToxicEgo
13

Answer:

* Outermost shell *

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Explanation:

Let's take an example Sodium(Na)

Atomic Number of Sodium=11

Electronic Configuration =2, 8,1

So The valency of Sodium is 1 , As 1 is the electron which is present in the outermost shell.

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