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The variation in electron gain enthalpie...

The variation in electron gain enthalpies of elements is less systematic than for ionization enthalpies. Out of oxygen and sulphurwhich has greater negative value for electron gain enthalpy? Justify.

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MAXIMUM PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-EXAMPLE
  1. a) Which one has greater size, Na or K? b) Justify your answer.

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  2. The general cheracteristics of a particular block of elements is as gi...

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  3. The variation in electron gain enthalpies of elements is less systemat...

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  4. Some elementS are given. Li, Cs, Be, C, N, O F, l, Ne, Xe. a) Arrange...

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  5. a) What is meant by atomic radius? b) Explain covalent radius. c) Wr...

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  6. Consider the statement: 'The element with 1s^2 configuration belongs t...

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  7. The properties of elements are a periodic function of their atomic wei...

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  8. a) Define ionisation enthalpy. b) IE1< IE2 < IE3 What is meant by th...

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  9. Say whether the following are true or false: a) On moving across a pe...

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  10. a) On moving down a group what happens to electron gain enthalpy? b) ...

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  11. Electron gain enthalpy is an important periodic property. a) What is m...

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  12. a) The electron gain enthalpies of Be and Mg are positiVe. What is you...

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  13. During a group discussion a student argued that ionization enthalpy de...

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  14. a) Which of the following has higher first ionization enthalpy, N or O...

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  15. Electronegativity differs from electron gain enthalpy. a) Do you agre...

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  16. Ionization enthalpy is an important periodic property. a) What is the...

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  17. The second period elements show anomalous behaviour. a) Give reason. ...

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  18. Atomic size, valency, ionization enthalpy, electron gain enthalpy and ...

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  19. a) Which is the element among alkali metals having lowest ionization e...

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  20. Li and Mg belonging to first and second group in periodic table respec...

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