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An element has atomic number 17. Whe...

An element has atomic number 17. Where would you expect this element in the periodic table ? Why .

Text Solution

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1) Electronic Configuration of the given element is `1s^(2) 2s^(2)2p^(6) 3s^(2) 3p^(5) `
2) So , it s in `3^(rd) ` period and `17 ^(th) ` group of periodic table .
3) Due to the valency electronic configuration of `3s^(2) 3p^(5) ` is belongs to `3^(rd) ` and `17^(th) ` group .
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