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The first ionization enthalpy of magnesi...

The first ionization enthalpy of magnesium is higher than that of sodium. Explain.

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The first ionization enthalpy of sodium is lower than that of magnesium but its second ionisation enthalpy is higher than that of magnesium. Explain.

The first ionisation enthalpy is the least in

a) First ionization enthalpy of Na is lower than that of Mg. But its second ionization enthalpy is higher than that of Mg. Explain. b) Which one is smaller, Na or Na^+ ? Give reason.

The first ionisation enthalpy of C atom is greater than that of boron atom whereas the reverse is true for the second IE. How will you substantiate this anomally?

Give justification, The first lonisation enthalpy of carbon is greater than that of boron, whereas the reverse is correct for the second ionisation enthalpy.

Accounting from the following : Ionization enthalpy of Nitrogen is greater than that of Oxygen.

How would you explain that the first ionisation energy of Na is lawer than that of Mg but is second inoisation enthalpy is higher than that of Mg ?

The energy released during the addition of an electron to an isolated neutral atom is called electron gain enthalpy. a) Explain how electron gain enthalpy differ from electronegativity. b) The second ionisation enthalpy of an element is always greater than the first ionisation enthalpy. Give reason.

A N EXCEL PUBLICATION-CLASSIFICATION TO ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Electron gain enthalphy is the amount of energy involved when an isola...

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

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

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

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

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

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

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

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

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

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

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  12. Give any two characteristics of transition elements.

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

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

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

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

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  17. Ionization enthalpy and atomic radius are closely related properties. ...

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  18. Accounting from the following : Ionization enthalpy of Nitrogen is gre...

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  19. Accounting from the following : 2nd period elements show anomalous beh...

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  20. A group of ions are given below . Find one pair which is NOT isoelectr...

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