The leements in which d or f orbitals are in the process of completion are__________________?
Correct answer: D. transition elements
- A. outer transition elements
- B. inner transition elements
- C. typical transition elements
- D. transition elements
Explanation
Transition elements are elements in which a d or f subshell is being progressively filled in the atom or in a common oxidation state. The d-block elements are outer transition elements, while the f-block elements are inner transition elements. The likely mistake is choosing inner transition elements, which refers only to the f-block, not to both d- and f-block elements.
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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.
Practise Transition Elements
532 free Transition Elements MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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