Subject to atmospheric pressure and temperature, iodine can be gaseous, liquid, or solid.

Emissions edit

 
Iodine spectrum is 400 nm - 700 nm. Credit: McZusatz.{{free media}}

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Here is gaseous iodine. Credit: Matias Molnar, Laboratorio Quimica Inorganica II - UBA, Argentina.{{free media}}

Solids edit

 
Iodine exists as a semi-lustrous, non-metallic solid. Credit: LHcheM.{{free media}}

The heaviest of the stable halogens, iodine exists as a semi-lustrous, non-metallic solid at standard conditions that melts to form a deep violet liquid at 114 °C (237 °F), and boils to a violet gas at 184 °C (363 °F).

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