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What atoms are indicated by the followin...

What atoms are indicated by the following configuration ?
`[He]2s^(1)`
`[Ne]3s^(2)3p^(3)`
`[Ar]4s^(2)3d^(1)`

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(a) `._(3)Li` (b) `._(15)P` (c) `._(21)Sc`
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i. Write the electronic conifigurations of the following ions: a. H^(Θ) , b. Na^(o+) , c. O^(2-) , d. F^(Θ) ii. What are the atomic numbers of elements whose outermost electrons are represented by a. 3s^(1) , b. 2p^(3) , c. 3p^(5) ? iii. Which atoms are indicated by the following configurations? a. [He]2s^(1) , b. [Ne]3s^(2) 3p^(3) , c. [Ar]4s^(2) 3d^(1)

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PRADEEP-STRUCTURE OF ATOM-Problem for Practice
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