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Which of the following pairs would have ...

Which of the following pairs would have a larger size? Explain.
`O^(2-)` or `F^(-)`

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`O^(2-)` would be bigger than `F^(-)`. This is because both contain the same number of electrons but the nuclear charge is less in `O^(2-)`.
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ICSE-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-NCERT TEXT-BOOK. EXERCISE (With Hints and Solutions)
  1. Which of the following pairs would have a larger size? Explain. O^(2...

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  2. What is the basic theme of organisation in the periodic table?

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  3. Which important property did Mendeleev use to classify the elements in...

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  4. What is the basic difference in approach between the Mendeleev’s Perio...

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  5. On the basis of quantum numbers, justify that the sixth period of the ...

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  6. In terms of period and group where would you locate the element with Z...

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  7. Atomic number of element present in the third period and seventeenth g...

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  8. Which element do you think would have been named by Lawrence Berkley...

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  9. Which element do you think would have been named by Seaborg's group...

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  10. Why do elements in the same group have similar physical and chemical p...

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  11. What does atomic radius and ionic radius really mean to you?

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  12. How do atomic radii vary in a period and in a group? How do you explai...

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

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

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

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

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  17. Consider the following species: N^(3-),O^(2-),F^(-),Na^(+),Mg^(2+) a...

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  18. What is common between given cations and anions,O^(2-)F^(-),Na^(+),Mg^...

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  19. Explain why cation are smaller and anions larger in radii than their p...

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  20. What is the significance of the terms — ‘isolated gaseous atom’ and ‘g...

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  21. Energy of an electron in the ground state of the hydrogen atom is -2.1...

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