Chemistry · 2013
JEE Main · 22 April 2013, Shift 1 · Q54
The order of increasing sizes of atomic radii among the elements O, S, Se and As is:
The order of increasing sizes of atomic radii among the elements O, S, Se and As is :
Official answer
(4)
$\displaystyle \mathrm{O}<\mathrm{S}<\mathrm{Se}<\mathrm{As}$
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