Question

calculate valency of zinc if it's atomic number is 30

Answer 1

Hey dear friend ✌✌

Here's the answer⤵⤵⤵

The atomic number of Zinc ➡30

Now,

It's electronic configuration will be ⤵⤵

K shell ➡2
L shell ➡8
M shell➡8
N shell➡8
O shell➡4

NOW....

You can easily answer this.....

The last shell is having two electrons that means it has a tendency to lose these two electrons.

So....

It will lose 4 electrons

That means it will acquire a positive charge..

And hence the valency of Zinc is 4

Hope this helps you ❤

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