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  • The general outer electronic configuration of an element is: (n - 2)f7(n - 1)d1ns2 This element belongs to which

The general outer electronic configuration of an element is:
(n - 2)f7(n - 1)d1ns2
This element belongs to which block?

Option: 1

p-block


Option: 2

s-block


Option: 3

d-block


Option: 4

f-block


Answers (1)

The "F-block elements" are called as the “inner-transition elements” because of their unique electronic configuration. The valence electrons of these elements transition into the (n-2) f block which is the "anti-penultimate energy level" and lies in the f-orbital.

Therefore, Option(2) is correct

 

Posted by

Sumit Saini

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