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Mg^(2+) is smaller than O^(2-) in size t...

`Mg^(2+)` is smaller than `O^(2-)` in size though both have same electronic configuration. Explain?

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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  2. Select from each group of the species which has the smallest radius st...

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  3. Mg^(2+) is smaller than O^(2-) in size though both have same electroni...

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  4. What do you understand by isoelectronic species? Name a species that w...

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  5. Energy of an electron in the ground state of the hydrogen atom is-2.18...

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  6. Which of the following order is correct of reducing strength-

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  7. From each set choose the atom which has the largest ionization enthalp...

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  8. From each set choose the atom which has the largest ionization enthalp...

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  9. First and second ionisation energies of magnesium are 7.646 ev and 15....

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  10. M(g) rarr M^+ (g) +e^- : DeltaH =100eV M(g) rarr M^(2+) (g) +e^- : D...

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  11. Consider the elements N, P, O, S and arrange them in order of increasi...

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  12. Why do halogens have high electron gain enthalpies (-DeltaH)?

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  13. Which will have the maximum value of electron affinity O^x ,O^y ,O^z? ...

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  14. The amount of energy when million atoms of iodine are completely conve...

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  15. Account for the large decreases in electron affinity between Li and Be...

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  16. The first ionisation enthalpy values of third period elements Na , Mg ...

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  17. Which of the following will have the most negative electron gain entha...

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  18. Give the correct order of electronegativity of central atom in followi...

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  19. Which of the following compound has highest value of bond length-

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  20. The electronegativities of F and H are 4 and 2.1 respectively . The pe...

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