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Which is the last element in the series of the actinods? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.

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Lawrencium `(Lr=103)`=`[Rn]5f^(14)6d^(1)7s^(2)`,
oxidation state =`+3`
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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-NCERT Exercise
  1. Predict which of the following will be coloured in aqueous solution ? ...

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  2. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  3. How would you account for the following: A) Of the d^(4) species Cr^(...

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  4. What is meant by 'disproportionation'? Give two examples of disproport...

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  5. which metal in the first series of transition metals exhibits +1 oxid...

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  6. Calculate the number of unpaired electrons in the following gaseous io...

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  7. Give examples and suggest reason for the following features of the tra...

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  8. Indicate the steps in the preparation of: (i). K2Cr2O7 from chromite...

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  9. What are alloys? Name an important alloy which contains some of the la...

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  10. What are inner-transition elements? Decide which of the following atom...

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  11. The chemistry of the actinoid elements is not so smooth as that of the...

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  12. Which is the last element in the series of the actinods? Write the ele...

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  13. Use Hund's rule to derive the electronic configuration of Ce^(3+) ion,...

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  14. Name the member of the lanthanoids series which exhibit+4 oxidation st...

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  15. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  16. Write the electronic configuration of the elements with the atomic num...

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  17. Compare the general characteristics of the first transition series of ...

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  18. Write down the number of 3d electrons in each of the following ions: ...

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  19. Comment on the statement that elements of first transition series poss...

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  20. What can be inferred from the magnetic moment values of the following ...

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