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What is oxidation number ?...

What is oxidation number ?

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MBD PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. The electronic configuration of an element in 1s^2 ,2s^2 , 2p^6 , 3s^2...

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  2. Among the four halogens name one which has : highest value of electr...

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  3. What is oxidation number ?

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  4. Explain why the ionisation energy of nitrogen is more than that of oxy...

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  5. The atomic numbers of N,Be and Mg are 7, 4 and 12 respectively. Explai...

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  6. Electron affinities of halogens are high why ?

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  7. Why is electron affinity of Si^(14) is greater than of p^15 ?

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  8. The more electronegative element is :

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  9. Characteristic of transition element is that its …….. Is in complete :

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  10. The order of decrese in atomic radii for Be, Na, and Mg :

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  11. Which one has lowest first ionozation potential ?

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  12. Lithium shows diagonal relationship with :

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  13. Which shows highest magnetic moments ?

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  14. Which transition metal ion is diamagnetic ?

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  15. Which has the smallest size ?

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  16. The ionization of hydrogen atom would give rise to :

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  17. Which ion has the lower magnetic moment ?

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  18. Which elements has the greatest tendancy to lose electrons ?

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  19. Which element has the highest electronegativity ?

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  20. The element whose electronic configuration is 1s^2 , 2s^2 , 2p^6 , 3s^...

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