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Among the following pairs , pick out the...

Among the following pairs , pick out the smallest .
(i) Mg, Ca (ii) Al, Si (iii) Cl, Br .

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(i) Mg
(ii) Si
(iii) Cl
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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL QUESTIONS & ANSWERS ( VERY SHORT ANSWERS )
  1. Why do atomic radii increase down the group ?

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  2. Arrange the following element in the increasing order of atomic size ....

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  3. Among the following pairs , pick out the smallest . (i) Mg, Ca (ii) ...

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  4. Atomic radii decreases as we move from left to right of periodic tabl...

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  5. Say whether the following diagrammatic representation in true or fal...

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  6. Define the term Ionic Radii.

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  7. Define ionisation energy or Ionisation enthalpy .

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  8. Define electron affinity .

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  9. "Noble gases have zero electron affinity " . Say True and False and ...

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  10. Ionisation energy decreases down the group in periodic table. Give re...

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  11. Define electronegativity .

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  12. Define metallurgy .

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  13. What is Gangue ?

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  14. What is flux ? Give example.

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  15. Give the principle behind hydraulic washing .

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  16. What is meant by ductility ?

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  17. Complete the following reaction . Al2O3 underset(900-950^(@)C)over...

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  18. In Hall's process of electrolytic reduction of alumina . Name the Cath...

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  19. In Hall's process of electrolytic reduction of alumina . Name the Anod...

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  20. In Hall's process of electrolytic reduction of alumina . Name the elec...

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