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Name a +ve ion which is isolectronic wit...

Name a +ve ion which is isolectronic with 'F-'.

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What do you understand by isoelectronic species?Name a species that will be isoelectronic with each of the following atoms or ions. i. 'F^-' ii. 'A r' iii. ' M g^(2+)' iv. 'R b^+'

A group of ions are given below: Na^+ , Al^3+ , O^2- , Ca^2+ , Mg^2+ , F^- , N^3- , Br^- a) Find the pair which is not isoelectronic. b) Arrange the above ions in the increasing order of size.

A group of ions are given below . Find one pair which is NOT isoelectronic. Na^(+) , Al^(3+) , O^(2-) , Ca^(2+) , Mg^(2+) , F^(-) , N^(3-) , Br^(-)

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Group of ions are given below: Na^+ , Al^(3+) , O^(2-) , Ca^(2+) , Mg^(2+) , F^- , N^(3-) , Br(-) Two of the above ions are not isoelectronic. Identify them.

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V PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Account for the following: Ionisation enthalphy of nitrogen is greater...

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  2. Ionisation is the removal of electron from an.atom. What is ionisation...

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  3. Name a +ve ion which is isolectronic with 'F-'.

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  4. In periodic table '3^(rd) ' period contains eight and not eighteen ele...

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  5. A graph is given below. Analyse the graph and answer the questions. a....

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  6. A group of ions are given below: Na^+, Al^3+, O^2-, Ca^2+, Mg^2+, ...

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  7. Nitrogen has the electronic configuration '1 s^2 2 s^2 px^1 2 py^1 2 p...

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  8. The electron gain enthalpy values of halogens become more negative in ...

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  9. Choose the electronic configurations that are possible from among the ...

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  10. Which of the following species will have the largest and the smallest ...

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  11. Give justification, The first lonisation enthalpy of carbon is greater...

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  12. A student reported the radii of 'Al^(3+), Mg^(2+)' and 'F' as '136 pm,...

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  13. Elements A, B, C, D and E have the following electronic configuration:...

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  14. Why has the zero group been placed at the extreme of the periodic tab...

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  15. Arrange the following ions in order of decreasing ionic radii : 'Li^(2...

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  16. To which block (s, p, d or f ) does the element with atomic number 50 ...

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  17. Can an element with atomic number 126, if discovered be accommodated i...

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  18. Arrange the following in decreasing order of their van der Waals radii...

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  19. Among the elements B, Al, C and Si. a. Which has the highest first io...

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  20. Give justification, The first lonisation enthalpy of carbon is greater...

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