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Some elements are wrongly placed in the ...

Some elements are wrongly placed in the decreasing order of the property mentioned. Rectifying the fault, place them in correct order of the property . Also furnish reason for the correction done.
`FgtOgtNgtC` ( Second ionization potential .

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`OgtFgtNgtC,` second ionization potential of oxygen is highest since electron is to be removed from half filled configuration for rest follow the order of size.
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The elements of a period of the periodic table are given below in order, from left to right, with one of its elements missing {:(Li, Be, B, C, 0, F, N e):} i] To which period does these elements belong? ii] One element of this period is missing. Which is the missing element and where should it be placed? iii] Which one of these elements in the period shows property of catenation? iv] Which one of the above belongs to the halogen series? v] Identify the noble gas.

SUBHASH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -THREE MARKS more than 3 marks
  1. Explain classification of elements into different blocks in the period...

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  2. Explain the law of triads with example.

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  3. Briefly explain the account explain the account of groups and periods ...

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  4. Explain why size of anion is larger than parent atom.

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  5. Explain why size of cation is smaller than of the parent atom.

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  6. Explain the variation of radii of is electronic species or ions.

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  7. Why Fluorine atom has unexpectedly less negative Delta("eg") H than ch...

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  8. Explain periodicity of valence or oxidation state of s and p block ele...

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  9. Arrange the species in each group in order in increasing ionization en...

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  10. What are the factors that affect electron affinity ?

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  11. a. Explain why the second ionisation energy of B is significantly high...

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  12. a. Explain why the second ionisation energy of B is significantly high...

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  13. Why fluorine has lesser electron gain enthalpy than chlorine?

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  14. Give the reasons of the following : Noble gases tend to be less ...

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  15. Give the reasons of the following : First ionization enthalpy of ...

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  16. Account for the following : Mg^(+2) is smaller than O-^(2) ion al...

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  17. Account for the following : write the IUPAC name and the symbol fo...

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  18. Some elements are wrongly placed in the decreasing order of the prope...

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  19. Some elements are wrongly placed in the decreasing order of the prope...

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  20. Some elements are wrongly placed in the decreasing order of the prope...

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