1.

What is position of element contain n = 3 and electronic configuration is ns^(2)np^(4)in periodic table ?

Answer»

Solution :`N =3`, third period , `3s^(2)3P^(4)`
` = 10 + ` VALENCE electron
` = 10 + 2 + 4 = 16^(th)` group.
Last electron FILLED in p-orbital so it belong in p-block.


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