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

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Last actinoid is Lawrencium (Z = 103).
Electronic configuration = `[Rn]5f^(14)d^(1)7s^(2)`
Possible oxidation state = +3.
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U-LIKE SERIES-THE D-AND F-BLOCK ELEMENTS -NCERT TEXTBOOK EXERCISES
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  2. Predict which of the following will be coloured in aqueous solution ? ...

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  3. Compare the stability of +2 oxidation state for the elements of the fi...

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  4. Compare the chemistry of actinoids with that of the langthanoids with ...

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  5. How would you account for the following : (i) Of the d^(4) species, ...

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

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  7. Which metal in the first series of transition metals exhibits +1 oxida...

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

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  9. Give examples and suggest reasons for the following features of the tr...

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  10. What are alloys ? Name an important alloy which contains some of the l...

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  11. What are inner transition elements ? Decide which of the following ato...

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

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  13. Which is the last element in the series of the actinoids ? Write the e...

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

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  15. Name the members of the lanthanoid series which exhibit +2 oxidation s...

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  16. Write the electronic configurations of the elements with atomic number...

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

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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 the first transition series ...

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

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