an element has 2 electrons in its n shell what is its atomic number
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in the given question it is said that an element has 2 electrons in its N shell the electronic configuration can be 2,8,8,2 when we add them we understand that the sum of them is 20. an element having atomic number 20 is calcium
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calcium is the element in which there are two electrons in N shell
It's atomic no. is 20
I hope it will help you.
It's atomic no. is 20
I hope it will help you.
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