1.

Using Aufau priciple,write the ground state electronic configuration of following atoms.Boron(Z=5),(ii)Neon(Z=10),(iii)Aluminium(Z=14),(iv)Chlorine(Z=17),(v)calcium(Z=20),(vi)Rubidium(Z=37)

Answer»

Solution :(i) Boron(Z=5),`1s^(2)2s^(2)2p^(1)`
(II) Neon(Z=10),`1s^(2)2s^(2)2p^(6)`
(III)Almuminium(Z=13),`1s^(2)2s^(2)2p^(6)3S^(2)3p^(1)`
(iv)Chlorine(Z=17),`1s^(2)2s^(2)2p^(6)3^(2)3p^(5)`
(V)Cacium(Z=20),`1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)`
(vi)Rubidium(Z=37),`1s^(1)2s^(2)2p^(6)3p^(6)3d^(10)4s^(2)4p^(6)5s^(1)`


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