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Question
What are 'd' and 'f' block elements?
Short Note
Solution
- d - Block elements: The elements in which the last electron enters the d - orbital of the penultimate shell i.e; ( n - 1 )d - orbital, where, 'n' is the outermost shell, are called d-block elements.
- f - Block element: The elements in which the last electron enters into ( n - 2 ) f - orbital of the atoms are called f - block elements.
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