Chemistry
The more non-metallic element from the elements 'X' and 'Y' having electronic configuration 2, 8, 5 and 2, 8, 6 respectively.
Periodic Table
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Answer
'Y' with electronic configuration 2, 8, 6.
Reason — X will belong to group 15 and Y will belong to group 16 and as non-metallic increases across a period (i.e., from left to right) hence Y will be more non-metallic character than X.
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