Which of the following has the largest ionic radius?

  • A
    $Na^{+}$
  • B
    $Ni^{+}$
  • C
    $Cs^{+}$
  • D
    $Mg^{2+}$

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The ionic radii of $Rb^+$ and $I^-$ are $1.46 \ \overset{o}{A}$ and $2.16 \ \overset{o}{A}$ respectively. Which type of crystal structure is possible?

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The correct order of increasing ionic radii is .... .

Which of the following orders of atomic radius is correct $:-$

Identify the correct orders regarding atomic radii:
$i$. $Cl > F > Li$
$ii$. $P > C > N$
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