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Moseley modified Mendeleev's periodic la...

Moseley modified Mendeleev's periodic law based on his observation on the x-ray spectra of elements.The IUPAC name of the element with atomioc number 109 is ……..

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A N EXCEL PUBLICATION-CLASSIFICATION TO ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Select the isoelectronic species from the following: O^(2-), F^-, Na...

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  2. State the modern periodic law

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  3. Moseley modified Mendeleev's periodic law based on his observation on ...

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  4. Analyse the following graph between ionisation enthalpy and atomic num...

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  5. Electron gain enthalphy is the amount of energy involved when an isola...

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  6. Electron gain enthalphy is the amount of energy involved when an isola...

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  7. Identify the largest and smallest species from those given below : O...

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  8. The reactivity of an element is very much related to its inoization en...

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  9. IUPAC has made some recommendations to name elements with atomic numbe...

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  10. Electronegativity is the ability of an atom to attract a shared pair o...

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  11. Give the reason for the following: Phosphorus froms PCl5 whille nitro...

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  12. Give the reason for the following: The first ionisation enthalpy of ox...

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  13. The first member of a group of elements in the s an dp block differs f...

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  14. Write the general outer electronic configuration of d-block elements.

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  15. The first ionization enthalpy of magnesium is higher than that of sodi...

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  16. Give any two characteristics of transition elements.

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  17. Does the ionisation enthalpy decreases along a group ? Give reasion

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  18. Name of elements with atomic numbers greater than 100 are given by IUP...

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  19. Name of elements with atomic numbers greater than 100 are given by IUP...

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  20. Name of elements with atomic numbers greater than 100 are given by IUP...

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