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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 -CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES -Ordinary Thinking Objective Questions Valency and oxidation state
  1. Which one of the following orders presents the correct sequence of the...

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  2. Which of the following set has the strongest tendency to form anions?

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

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

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  5. The correct order of increasing oxidising power

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  6. Which of the following sequence correctly represents the decreasing ac...

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  7. The halogen that is most easily reduced is

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

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  9. Which metal exhibits more than one oxidation states in their compounds

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  10. The correct order of decreasing ionic character is

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  11. Which of the following electronic configuration in the outermost shell...

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  12. Which of the following elements show maximum valency ?

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  13. Fluorine is the best oxidising agent because it has

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

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  15. The basis of keeping the elements in the group of periodic table is

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  16. Beryllium and aluminimum exhibit many properties which are similar . B...

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

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  18. An element X which occurs in the second short period has an outer elec...

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  19. Which of these is the weakest base?

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  20. Fluorine, chlroine, bromine and iodine are placed in the same group (1...

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