Write the general electronic configuration of d-block elements. f

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 Multiple Choice QuestionsShort Answer Type

11.

The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?

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12. Why the melting points of transition elements are high?
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13. Why Zn, Cd and Hg are not regarded as transition elements?
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14.

Name the first element of 3rd transition series.

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15.

Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?

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16. Why are transition elements so named?
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17. Why are transition elements known as d-block elements?
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18. Write the general electronic configuration of d-block elements.


General electronic configuration of d - block element is (n – 1) d1–10 ns1-2.
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19. Why do some exceptions to the general electronic configuration of d-block elements exists?
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20. Why Cr and Cu show exceptional configuration?
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