1. Tardigrade
  2. Question
  3. Chemistry
  4. The shape of the species I3- will be:

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Q. The shape of the species $I_{3}^{-}$ will be:

Chemical Bonding and Molecular Structure

Solution:

In $I _{3}^{-}$ the steric number is $5,$ as there are three lone pairs of electrons and two I atoms are attached to an I atom, hence it has got a linear structure.