What Is the Geometry of the Triiodide Ion (I₃^-)

question 23

Multiple Choice

What is the geometry of the triiodide ion (I₃^-) ?

• A) linear
• B) bent
• C) tetrahedral
• D) trigonal pyramidal
• E) trigonal planar

---

Definitions:

Malleus

A small bone in the middle ear that transmits sound vibrations from the eardrum to the incus, one of three ossicles.

Dynamic Equilibrium

A state of balance in a system where there is continuous movement but overall stability is maintained, often used in reference to fluid and electrolyte balance within the body.

Semicircular Canals

Structures in the inner ear involved in maintaining balance and spatial orientation; they detect rotations of the head.

Utricle

A small, fluid-filled sac in the vestibular system of the inner ear, aiding in the sense of balance.