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In any period of the periodic table, val...

In any period of the periodic table, valency of an element with respect to oxygen

A

increases one by one from IA to VII A

B

decreases one by one from IA to VII A

C

increases one by one from I A to IV A and then decreases from VA to VII A one by one

D

decreases one by one from IA to IV A and then increases from VA to VII A one by one

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The correct Answer is:
A
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  2. An atom with high electronegativity has

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  3. In any period of the periodic table, valency of an element with respec...

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  4. For the electron affinity of halogens (with -ve sign), which of the fo...

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  5. The elements with atomic numbers 9, 17, 35,53, 85 and all

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  6. In a given shell, the order of screening effect is

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  7. Correct order of radii is

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  8. Which one of the following sets of ions represents the collection of i...

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  9. Among Al(2)O,SiO(2),P(2)O(3) and So(2) the correct order of acid stren...

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  10. The formation of the oxide ion O^(2-)(g) requires first an exothermic ...

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  11. Which one of the following ions has the highest value of ionic radius?

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  12. Ionic radii are

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  13. Four successive members of the first row transition elements are liste...

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  14. Which of the following oxides is amphoteric is nature ?

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  15. In which of the following arrangements the order is NOT according to t...

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  16. Which one of the following arrangements represents the correct order o...

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  17. Order of first ionisation potentials of elements Li,Be,B, Na is

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  18. Which of the following is an inert gas?

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  19. Identify the correct order in which the covalent radius of the followi...

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  20. Match 1list I with list II and select the correct answer using the cod...

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