valence shell of first 20 elements
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1
this is know when we structure the element and its outermost shell electron
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3
The outermost shell is called valence shell
H-1, he - 1,li-2,be-2,b-2...ca-4
U can find the valence shell through there electronic configuration.
H-1, he - 1,li-2,be-2,b-2...ca-4
U can find the valence shell through there electronic configuration.
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