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The electronic configuration of an eleme...

The electronic configuration of an elements is`[Ar]3d^8 4S^2` . Name the block to which it belongs?

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d-Block
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PATHFINDER-PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES-QUESTION BANK
  1. What is the modern name of the element 'ekaboron' as predicted by Mend...

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  2. Write down the electronic configuration of the outermost electronic or...

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  3. The electronic configuration of an elements is[Ar]3d^8 4S^2 . Name the...

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  4. Namea transition metal which is used as catalyst.

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  5. Arrange mg, A1, Si and Na in the increasing order of their lonisation...

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  6. Mention one similarity in property of Li and Mg which are diagonally r...

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  7. Why are the most of the atoms or ions of transition elements paramagne...

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  8. With what types of elements a period of the periodic table starts and ...

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  9. Mention one similarity in atoms of the elements belonging to the same ...

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  10. Arrange the different sub-energy levels in the decreasing order of scr...

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  11. Mention a property whhich is not periodic property of elements.

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  12. Arrange Mg^2+ , O^2- , Na^+ and F^- in the descending order of their i...

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  13. Which one of the iso-electronic ions K^+ , Cl^- , S^(2-) and Ca^(2++) ...

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  14. Which important property did Mendeleev use to classify the elements in...

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  15. Fourth period has 18 elements and not 52. Explain.

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  16. Give the general electronic configuration of 's' and 'p'-block element...

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  17. What are 'transition' elements?

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  18. What do you mean by 'inner-transition elements'?

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  19. Give the Electronic configuration and position of the elements in the ...

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  20. Why are the cations smaller than atom?

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