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Question
What is the basic difference between the electronic configuration of transition and inner transition elements?
Short Note
Solution
General electronic configuration of:
Transition elements = `("n" - 1)"d"^(1-10) "ns"^((1-2))`
In transition elements last electron enters in d-orbitals of penultimate shell.
Inner transition elements = `("n" - 2) "f"^((1-14)) ("n" - 1)"d"^((0-1))"ns"^(0-2)`
In inner transition elements the last electron enters in f-orbital of anti-penultimate shell.
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Chemistry of Transition and Inner-transition Elements: F-block: 4f and 5f Series - F-block: 4f and 5f Series
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