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  • Elements having outermost electronic configuration of  are known as: <div class='

Elements having outermost electronic configuration of (n-1)d^{1-10} ns^{1-2} are known as: 

Option: 1

d-block elements 


Option: 2

transition elements 


Option: 3

both a and b 


Option: 4

chalcogens 


Answers (1)

As we have learned

d-Block elements -

They are the elements of group 3  to 12 in the centre of the periodic table. These elements are characterised by the filling of the inner  d orbitals by electrons and are therefore called to as d block elements.

-

The general outermost electronic configuration of d-block elements is:
                                (n-1)d^{1-10} ns^{1-2}

Therefore, Option(3) is correct

Posted by

Kshitij

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