The concept of "atomic height" is not a standard measurement in chemistry. Atomic size is typically described by:

* Atomic radius: This is the distance from the nucleus to the outermost electron shell.

* Ionic radius: This is the radius of an atom that has gained or lost electrons to become an ion.

Chlorine's atomic radius is approximately 79 pm (picometers).

Let me know if you'd like to know more about chlorine or atomic radii!