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the maximum valency of an element with a...

the maximum valency of an element with atomic number `7` is

A

2

B

5

C

4

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
Valency is according to valence shell configuration which here is `1s^2, 2s^2, 2p^3, i.e., 5`.
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ERRORLESS-CLASSFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -NCERT BASED QUESTIONS (Valency and Oxidation State)
  1. An element of atomic mass 40 has 2,8,8,2, as the electronic configurat...

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  2. The halogen that is most easily reduced is

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  3. the maximum valency of an element with atomic number 7 is

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  4. Which of the following elements shows maximum number of different oxid...

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  5. Which of the following element is found in its native state:-

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  6. Which one of the elements with the following outer orbital configurati...

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  7. Acidity of pentoxides in VA group

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  8. Which of the following elements show maximum valency ?

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  9. The correct order of increasing oxidising power

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  10. In any period, the valency of an element with respect to oxygen

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  11. which of the following gas does not have an octet or eight electrons i...

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  12. the pentavalence in phosphorus is more stable as compared to that of n...

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  13. Fluorine is the best oxidising agent because it has

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  14. In the periodic table, the metallic character of elements

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  15. In the periodic table, the basic character of oxides

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  16. Elements A and B with their respective electronic configurations 3d^(...

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  17. The stability of ions of Ge Sn and Pb will be in the order .

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  18. Out of the following elements,which one is the most reactive chemicall...

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  19. Thalium shows different oxidation states because

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  20. The most stable oxidation state of thallium is +1

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