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What atoms are indicated by the following eletronic configurations ? (i) 1s^(2) 2s^(2) 2p^(1)(ii) [Ar] 4s^(2) 3d^(1) |
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Answer» Solution :(i) Total number of electrons in `1s^(2) 2s^(2) 2p^(1) =2+2+1=5 :.` Atomic number of the element `=5` Hence, the element is Boron (B) (II) Total number of electrons in `[AR] 4s^(2) 3D^(1)=18+2+1=21 :.` Atomic number of the element `=21` Hence, the element is Scandium (SC) |
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