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Out of O and S which has higher negative...

Out of O and S which has higher negative electron gain enthalpy and why ?

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S has high electron gain enthalpy because in oxygen there is more inter - electronic repulsion than sulphur on gaining electrons.
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SUBHASH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -TWO marks questions and answers
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  2. Which alkali metal carbonate is thermally unstable and why ?

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  4. Predict which atom in each of the following Period has the highest fir...

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  6. Among the elements of the third period Na to Ar pick out the element: ...

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  7. Among the elements of the third period Na to Ar pick out the element: ...

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  8. Among the elements of the third period Na to Ar pick out the element: ...

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  9. Among the elements of the third period Na to Ar pick out the element: ...

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  10. Name a species that will be isoelectronic with each of the following a...

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  11. Name a species that will be isoelectronic with each of the following a...

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  12. Name a species that will be isoelectronic with each of the following a...

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  13. Name a species that will be isoelectronic with each of the following a...

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  14. Arrange the following ions in the increasing order of their size: Be^(...

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  15. Explain law of octaves.

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  16. What ar the limitations of law of octaves.

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  17. Among B, Al , C and Si Which has the highest first ionization enth...

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  18. Among B, Al , C and Si which has the largest atomic radius.

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  19. Arrange the following elements in increasing order of non - metallic c...

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  20. Explain the variation of atomic radius down a group.

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