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Which statement about the radii of atoms...

Which statement about the radii of atoms and their ions is correct?

A

Cations are smaller than their atoms, anions are larger.

B

Cations and anions are both smaller than their atoms.

C

Cations and anions are both larger than their atoms

D

Cations are larger than their atoms, anions are smaller.

Text Solution

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The correct Answer is:
A
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GRB PUBLICATION-PERIODIC TABLE-B.Atomic and Ionic Radius
  1. Consider the isoelectronic species, Na^(+),Mg^(2+),F^(-) and O^(2-). T...

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  2. Which one of the following is correct order of the size of iodine spec...

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  3. Which statement about the radii of atoms and their ions is correct?

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  4. The order of magnitude of ionic radii of ions Na^(+),Mh^(2+),Al^(3+) a...

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  5. Which ions has greatest radius in the following?

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  6. In the isoelectronic species the ionic radii of N^(3-), O^(2-), F^(-) ...

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  7. The Lanthanide contraction is responsible for the fact that

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  8. Mg,Mg^(2+),AI and AI^(3+) are arranged in decreasing order of size 1 g...

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  9. Which of the following order of radii is incorrect?

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  10. Size of which elements are respresented as non-bonded radii?

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  11. Which gas-phase atom has the largest radius?

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  12. For which pair of species are the radii most similar?

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  13. The ions below are listed in order of increasing radii except:

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  14. Which atom has the largest atomic radius?

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  15. In which list are atoms of the elements Be,B, Mg and AI arranged from ...

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

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  17. The radius of which is closest to that of the Li^(+) ions?

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  18. For which pair of species is the difference in radii the greatest?

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  19. In which choice are the species listed in order of increasing radius?

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  20. In which list are the ions arranged in order of increasing size?

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