Which groups of transition elements are known as non-typical transition elements?
Correct answer: A. IIB and IIIB
- A. IIB and IIIB
- B. IB and IVB
- C. IVB and VB
- D. VIB and VIIB
Explanation
Non-typical transition elements are those elements in the d-block that have completely filled d orbitals. The elements in groups IIB and IIIB have completely filled d orbitals in their ground state. For example, zinc (Zn) has a [Ar]3d104s2 electron configuration, which means that its d orbital is completely filled.
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
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