1. Tardigrade
  2. Question
  3. Chemistry
  4. Statement 1: Oxygen does not possess d - orbitals in their valency shell Statement 2: The covalency of oxygen is two

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Q. Statement 1: Oxygen does not possess $d$ - orbitals in their valency shell
Statement 2: The covalency of oxygen is two

Chemical Bonding and Molecular Structure

Solution:

The elements having vacant $d$-orbitals in their valency shell show variable covalency by increasing the number of unpaired electrons under excited conditions