1.

Write the electronic configuration of group 15 elements

Answer»

Solution :Nitrogen `(""_(7)N) : (He)^2 2s^2 2p^3 ,`
Phosphours `(""_(15)P) : (Ne)^(10)3s^2 3p^3`
Arsenic `(""_(33)As) , (Ar)^(18) 3D^(10)4s^(2)4p^(3)` :
Antimony `(""_(51) Sb) : (Kr)^(36)4d^(10)5s^(2)5p^(3)`
Bismuth `(""_(83)Bi) : (Xe)^(54) 4f^(14)5d^(10)6S^(2)6p^(3)`


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