1. Tardigrade
  2. Question
  3. Chemistry
  4. Oxygen shows anomalous behaviour from other members of its family because I. oxygen shows maximum valency of two. II. among chalcogens, oxygen is of the smallest size. III. oxygen exhibits allotropy. IV. oxygen has no vacant d-orbital. The correct option explaining the reasons is

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Q. Oxygen shows anomalous behaviour from other members of its family because
I. oxygen shows maximum valency of two.
II. among chalcogens, oxygen is of the smallest size.
III. oxygen exhibits allotropy.
IV. oxygen has no vacant $d$-orbital.
The correct option explaining the reasons is

The p-Block Elements - Part2

Solution:

Among chalcogens, oxygen is of the smallest size. It shows maximum valency of two. It has no vacant $d$-orbital.