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Select correct statement about radius of...

Select correct statement about radius of an atom:

A

Values of van der Waal's radii are larger than those of covalent radii because the van der Waal's forces are much weaker than the forces operating between atoms in a covalently bonded molecule.

B

The metallic radii are smaller than the van der Waal's radii, since the bonding forces in the metallic crystal lattice are much stronger than the van der Waal's forces.

C

Both are correct

D

None is correct

Text Solution

Verified by Experts

The correct Answer is:
C
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GRB PUBLICATION-PERIODIC TABLE-B.Atomic and Ionic Radius
  1. Select correct statement about radius of an atom:

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  2. Which of the following order of radii is correct?

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  3. Which of the following is not isoelectronic series?

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  4. Which of the following order of atomic//ionic radius is not correct?

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  5. The radii of N,N^(3-),O and O^(2-) are in the order of:

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  6. Atomic radii of F & Ne in Angstrom are respectively given by : A)0.72,...

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  7. Which one of the following is the smallest in size?

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  8. Which one of the following is correct increasing order of size ?

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  9. When the following five anions are arranged in order of decreasing ion...

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  10. Which of the following isoelectronic species has the largest radius?

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  11. The correct decreasing order of atomic size among the following specie...

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  12. Ionic radii of :

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  13. The correct order of radii is:

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  14. Arrange Ce^(3+),La^(3+), Pm^(3+) and Yb^(3+) in increasing order of th...

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

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  16. The set representing the correct order of ionic radius is

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  17. Which of the following statement is incorrect for the isolectronic spe...

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  18. Ionic radii are

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  19. The correct order of radii is:

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  20. K^(+),CI^(-),Ca^(2+),S^(2-) ions are isoelectronic. The decreasing ord...

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