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Chemistry-

General

Easy

Question

The correct order of radii is

$N < B e < B$
$F^{-} < O^{2 -} < N^{3 -}$
$N a < L i < K$
$F e^{3 +} < F e^{2 +} < F e^{4 +}$

The correct answer is: $F to the power of minus end exponent less than O to the power of 2 minus end exponent less than N to the power of 3 minus end exponent$

Ionic radii decreases significantly from left to right in a period among representative elements.

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The 120 permutations of MAHES are arranged in dictionary order, as if each were an ordinary five-letter word. The last letter of the 86^th word in the list is

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