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A, X, Y, B and Q are the elements belonging to 16th group of Modern periodic table. The correct trend of density in these elements is A < X < Y < B < Q. The element ‘A’ in the sequence is

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a
S
b
O
c
Se
d
Te

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detailed solution

Correct option is B

Atomic radius… OS>Se>Te>Po ;Melting point…OS>Se>Te>Po ;Electron gain enthalpy …. S>Se>Te>Po>O ;

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One element of group -16 shows anomalous behavior. Identify this element.


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