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)`

i. Write the electronic conifigurations of the following ions: a. `H^(

1.	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)`
Answer» (i) (a) `1s^(2), (b)1s^(2)2s^(2) 2p^(6) , (c) 1s^(2) 2s^(2)2p^(6), (d) 1s^(2)2s^(2)2p^(6)`. (ii) (a) Na (Z=11) has outermost electronic configuration `=3s^(1)` (b) N(Z=7)has outermost electronic configuration `=2p^(3)` (c) Fe(Z=26)has outermost electronic configuration `=3d^(6)` (iii) (a) Li (b) P (c) Sc

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