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What is the reason of periodicity in the...

What is the reason of periodicity in the periodic table?

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In the Periodic Table, when we select a particular group, all the elements present have the same number of electrons in the outermost shell and thus the periodicity.
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PATHFINDER-PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES-QUESTION BANK
  1. Arrange the following in order of increasing radii. F, Cl, Br

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  2. Electron gain enthalpy of Cl is more negative than F though electroneg...

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  3. What is the reason of periodicity in the periodic table?

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  4. What is the voriation of lonisation Energy in a group?

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  5. If the Electron. Affinity of Chlorine is -3.7 cr then how energy is re...

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  6. What is Lanthanide contraction?

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  7. What is the cause of Lanthanide contraction.

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  8. The element 119 has not been descovered. What would be the IUPAC name ...

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  9. Write the names and deduce the atomic numbers of the following. The ...

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  10. Write the names and deduce the atomic numbers of the following. the ...

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  11. Write the names and deduce the atomic numbers of the following. The ...

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  12. The electronic configuration of some elements are as follow : which ...

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  13. The electronic configuration of some elements are as follow : Which ...

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  14. The electronic configuration of some elements are as follow : Which ...

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  15. Consider the elements N, P, O, S. Arrange them increasing order of F...

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  16. Consider the elements N, P, O, S. Arrange them increasing order of E...

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  17. Consider the elements N, P, O, S. Arrange them increasing order of N...

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  18. What will be the increasing order of basicily of CrO, VO, Feo and TiO?...

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  19. The atomic no. of an element = 10. What its position in the periodic t...

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  20. The aqueous solution of a chloride of one clement is neutral in nature...

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