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Ionic radii vary in...

Ionic radii vary in

A

inverse proportion to the effective nuclear charge

B

inverse proportion to the square of effective nuclear charge

C

direct proportion to the screeing effect

D

direct proportion to the square of screening effect

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NARAYNA-PERIODIC TABLE -All Questions
  1. Which of the following statements are correct ?

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  2. Which of the following is not the correct arrangement according to the...

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  3. Ionic radii vary in

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  4. An element belongs to 3rd period and group 13 of the periodic table. W...

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  5. In the modern periodic table, elements are arranged in order of increa...

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  6. In the modern periodic table, elements are arranged in order of increa...

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  7. In the modern periodic table, elements are arranged in order of increa...

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  8. In the modern periodic table, elements are arranged in order of increa...

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  9. In the modern periodic table, elements are arranged in order of increa...

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  10. Mendeleev corrected the atomic weight of :

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  11. Zero group was introduced by

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  12. According to Mendeleef's periodic law, the properties of elements are ...

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  13. Total number of group in Mendeleef's table

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  14. In Mendeleef table, the triad of VIII group is

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  15. Number of short periods in Mendeleef table

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  16. The properties of the following elements were predicted by Mendeleeff ...

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  17. The number of elements known when Mendeleef presented periodic table i...

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  18. The element 'Sc' is known long back as

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  19. Which of the following is not an anomalous pair?

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  20. The number of periods in the long from of periodic table is

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