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Chalcogens are elements of the group...

Chalcogens are elements of the group

A

`17^(th)`

B

`15^(th)`

C

`16^(th)`

D

`14^(th)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Assignment (Section -A)
  1. Which pair of elements has same chemical properties ?

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  2. Write the atomic number of the element present in the third period and...

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  3. Chalcogens are elements of the group

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  4. Which of the following shows diagonal relationship ?

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  5. What are representative elements?

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  6. Which group of elements represents a collection of isoelectronic speci...

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  7. Which of the following electronic configuration represents the most me...

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  8. The group of elements in which the last electron is present the anti-p...

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  9. Which general electronic configuration of the element does not represe...

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  10. Find the incorrect statement.

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  11. The effective nuclear charge across the period (from left to right)

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  12. Which electronic configuration of an element has abnormally high diffe...

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  13. Which of the following has the highest negative electron gain entahlpy...

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  14. The outermost electronic configuration of the most electronegative ele...

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  15. Match the elements given in column (I) with the most appropriate expec...

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  16. Electronegativity of the elements O,F,S and Cl increases in the order

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  17. Valence electrons in the atom of element A is 4 and in the element B i...

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  18. Which orbital diagram gives an insight ionization energy ?

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  19. The largest atomic radius will be of

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  20. The order of increasing atomic radii is

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