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What are theatomicnumbersof elementswhoseoutermostelectronare representedby (a )3s^(1) (b ) 2p^(3)and (c ) 3p^(5) ? |
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Answer» Solution :(a ) Valanceorbit`3s^(1)` so`VEC( e)`outermostconfigurationis `1S^(2) 2S^(2)2p^(6)3s^(1)` (b )Valanceorbitis `2p^(3) ` so `vec(e )` configurationis `1s^(2) 2s^(2) 3p^(3)` (c )Valanceorbitis `3p^(5)` so `vec( e)`configurationis`1s^(2)2s^(2)2p^(6)3s^(2) 3p^(5)` Totalelectron=2 + 2 +6+ 2 + 5=17 Atomicnumber =17 |
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