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Why do elements in the same group have s...

Why do elements in the same group have similar properties ?

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Physical and Chemical properties of elements depend on their electronic configuration. Elements in a group have similar electronic configuration and hence similar properties.
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A N EXCEL PUBLICATION-CLASSIFICATION TO ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
  1. Which element do you think would have been named by Lawrence Berkele...

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

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  3. Why do elements in the same group have similar properties ?

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  4. What do you mean by isoelectronic species ?

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  5. Name the species that will be isoelectronic with Ar

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  6. Name the species that will be isoelectronic with Mg^(2+)

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  7. Name the species that will be isoelectronic with Rb^+

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  8. N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) what is comman in them ?

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  9. N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) Arrange them in the order of ...

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

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  11. Among the second period elements the actual ionisation enthaply are in...

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  12. Among the second period elements the actual ionisation enthaply are in...

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  13. How would you explain that the first ionisation energy of Na is lawer ...

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  14. What are the main factors due to which the ionisation enthalpy of the ...

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  15. The first IE (Kj mol^(-1))of group 13 elements are B/801 Al/577 Ga...

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  16. Which of the following pairs would have more negative electron gain en...

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  17. Which of the following pairs would have more negative electron gain en...

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  18. Would you expect the second electron gain enthalpy O as positive, more...

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  19. Discribe the theory associated with the radius of an atom as it gains ...

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  20. Discribe the theory associated with the radius of an atom as it loses ...

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