What are d-block elements?

1.	What are d-block elements?
Answer» 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 Their general valence or outer electronic configuration is (n - 1)d^1-10 ns^1-2.

Answer»

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

Their general valence or outer electronic configuration is (n - 1)d^1-10 ns^1-2.

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What are d-block elements?

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