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Element ‘A’ in group 17 (2nd period) ...

Element ‘A’ in group 17 (2nd period)
‘B’ in group 16 (2nd period)
‘C’ in group 15 (2nd period)
Arrange ‘A’, ‘B’ and ‘C’ in their decreasing order of electro-negativity and ionisation enthalpy.

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CBSE COMPLEMENTARY MATERIAL-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -2- MARKS QUESTIONS
  1. The reducing power of elements increases down the group but reverse is...

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  2. What is the formula of binary compound formed between : 1st element...

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  3. What is the formula of binary compound formed between : 2nd element...

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  4. Arrange in the following in increasing order of property indicated: ...

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  5. Arrange the following in increasing order of property indicated: Oxi...

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  6. Oxygen is more non-metallic than nitrogen but less than fluorine why ?

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  7. LiCl, LiBr, LiI are covalent as well as ionic why ?

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  8. PbCl2 is more stable than PbCl4 . Why ?

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  9. Magnesium and Lithium both form nitrides why ?

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  10. Which has least I.E. [3p^(3), 3p^(6) ,2p^(3),2p^(6)]

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  11. I.E. of sulphur is lower than chlorine.

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  12. Arrange the following in decreasing order of their electro-negativity:...

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  13. Element ‘A’ in group 17 (2nd period) ‘B’ in group 16 (2nd peri...

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  14. Element ‘A’ 13 group forms ionic compounds. Write the : Formula of i...

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  15. Arrange the following in their decreasing electro-positive character ...

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  16. Write the atomic number of element place diagonally to : Group 14, ...

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  17. Write the atomic number of element place diagonally to : Group 2, p...

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  18. Write the atomic number of element place diagonally to : Group 17, ...

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  19. An element has outer shell electronic configuration 4s^(2) 4p^(3) . Fi...

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  20. An element has outer shell electronic configuration 4s^(2) 4p^(3) . Fi...

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