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What is the formula of binary compound f...

What is the formula of binary compound formed between :
1st element of I group and iodine ?

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CBSE COMPLEMENTARY MATERIAL-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -2- MARKS QUESTIONS
  1. Name a halogen, a metal and a group13 element which are liquid at 30^...

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  2. The reducing power of elements increases down the group but reverse is...

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

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

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

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

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

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

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  9. PbCl2 is more stable than PbCl4 . Why ?

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  10. Magnesium and Lithium both form nitrides why ?

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

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

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

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

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

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

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

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

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

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

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