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The number of elements in the 4th period...

The number of elements in the 4th period of periodic table is

A

8

B

10

C

18

D

32

Text Solution

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The correct Answer is:
C
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
  1. Generally, the valency of noble gases is

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  2. Paulings electronegativity values for elements are useful in predictin...

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  3. The number of elements in the 4th period of periodic table is

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  4. Which period of the periodic table contains maximum number of elements...

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  5. In the second period of periodic table, the ionisation potential of el...

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  6. The valence shell electronic structure of an element is ns^2 np^2. The...

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  7. Which of the following pair of atomic numbers represents s-block eleme...

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  8. Atoms with high value of IE1 always have

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  9. The elements with atomic number 26 will be found in group

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  10. Among the following elements which one has the highest value of first ...

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  11. Which of the following ion is not isoelectronic with O^(2-) ?

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  12. The lightest metal is

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  13. The melting point is lowest for

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  14. Among O,C,F,Cl and Br the increasing order of atomic radii is

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  15. Which of the following gaseous ion contains maximum number of unpaired...

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  16. Which of the following is isoelectronic with carbon?

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  17. The attraction that an atom exerts on a electrons that are being share...

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  18. The element with atomic number 55 belongs to which block of the period...

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  19. Which of the following ions are paramagnetic in character?

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  20. Alkali metals in each period have

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