Question

In what way the electronic configuration of transition elements different from that of non transition elements ?

Answer 1

Transition elements are the D block & F block ( inner transitional ) elements, their electronic configuration is ( n - 1)d¹⁻¹⁰ ns⁰⁻²  ( D block element's electronic configuration )
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D block elements usually have incompletely filled d subshell, but for non transition elements they don't hav any d subshell nd their subshell is completely filled nd hav ns¹⁻² ( S block element's electronic configuration) OR ns² np¹⁻⁶ ( P block element's electronic configuration ) in their outer most shell......