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Write the outer electronic configuration...

Write the outer electronic configuration of Cr atom (Z = 24).

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`[Ar]3d^(5)4s^(1)`.
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The electronic configuration of Cr is

Electronic configuration of Cr (Z = 24) is

The outer electronic configuration of chromium is

The electronic configuration of chromium (Z=24) is:

U-LIKE SERIES-THE D-AND F-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS (1 mark each)
  1. Why does copper not replace hydrogen from acids ?

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  2. Why is Bi(V) a stronger oxidant than Sb(V) ?

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  3. Write the outer electronic configuration of Cr atom (Z = 24).

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  4. The electronic configuration of a transition element in +3 oxidation s...

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  5. Which is more basic La(OH)(3) or Lu(OH)(3) ? Why ?

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  6. How is the magnetic moment of a species related to the number of unpai...

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  7. Which property of the transition elements makes them good catalysts ?

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  8. What is the effect of increasing pH on K(2)Cr(2)O(7) solution ?

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  9. Why is third ionisation energy of manganese [Atomic number = 25] unexp...

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  10. Why is electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d...

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  11. Name the lanthanoid element which exhibits a +4 oxidation state beside...

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  12. What is the difference between the electronic configurations of lantha...

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  13. State a consequence of lanthanoid contraction shown by transition elem...

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  14. Why is that orange solution of K(2)Cr(2)O(7) turns yellow on adding N...

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  15. Why do most transition metal ions show variable oxidation states ?

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  16. Why is Ce^(4+) in aqueous solution a good oxidising agent?

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  17. One unpaired electron in atom contributes a magnetic moment of 1.1 BM....

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  18. Why do Zr and Hf exhibit similar properties?

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  19. Name one ore of manganese and chromium.

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  20. What are the two important oxidation states of Group 6 elements of the...

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