Write the electronic configuration of the elements
`(i) ._(9)^(19)F` , (ii) `._(18)^(36)Ar` , (iii) `._(16)^(32)S`
Point out the element with (a) Maximum nuclear charge ,(b) Minimum number of neutrons , (c) Maximum mass number. , (d) Maximum number of unpaired electrons.

Explanation

`._(9)F^(19)=1s^(2) 2s^(2) 2p_(x)^(2) 2p_(y)^(2)2p_(z)^(1), ._(16)S^(32)=1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p_(x)^(2)3p_(y)^(1) 3p_(z)^(1), ._(18)Ar^(38)=1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6)`
(i) Max. nuclear charge `=18` in `._(18)Ar^(38)` (ii) Minimum no. of neutrons `=10` in `._(9)F^(19)`
(iii) Maximum no. of unpaired electrons `=2` in `._(16) S^(32)`