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(i) Classify as basic amphoteric or acid...

(i) Classify as basic amphoteric or acidic. BeO, `Al_(2)O_(3), CaO,SiO_(2)`.
(ii) State the modern periodic law.

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(i) BeO, `Al_(2)O_(3)` amphoteric, CaO, Basic: `SiO_(2)` acidic.
(ii) N/A
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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-SOLVED WBCHSE SCANNER
  1. (i) Write the name of the element which is diagonally related to the e...

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  2. (i) Classify as basic amphoteric or acidic. BeO, Al(2)O(3), CaO,SiO(2)...

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  3. (i) Write the symbols of one transition and inner-tranisatio element. ...

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  4. (i) State the group number in modern periodic table where solid, liqui...

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  5. Among which of the following pairs of elements, the first one has less...

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  6. Name a pair of elements exhibit diagonal relationship.

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  7. Name a chalcogen and an alkaline earth metal.

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  8. Explain why the size of a cation is smaller than that of corresponding...

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  9. State how oxidising and reducing properties change along the group of ...

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  10. (i) Mention the names of most electropositive and most electronegative...

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  11. Which has greater ionisation energy and why-S or P?

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  12. Arrange as directed: (i) SiO(2),NO(2),Al(2)O(3),CiO(2) (Increasing aci...

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  13. Arrange the following ions in the increasing order of their ionic radi...

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  14. Arrange the following elements according to their decreasing oxidising...

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  15. Arrange as per introduction: (i) Na(2)O,B(2)O(3),Al(2)O(3),MgO (increa...

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  16. The first ionisation energy of the Be is greater than that of B but t...

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  17. (i) Two atoms X and Y have electronic configuration [He]2s^(2)2p^(3) a...

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  18. (i) Electron affinity of Cl is greater than that of E explain. (ii) ...

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  19. metallic property of element-down the group in periodic table.

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  20. Arrange the following in increasing order of ionic radius: Na^(+), F^(...

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