Halide Ion Posted on 15th November 201530th August 2021 by ThePD (The Project Definition) A Halide Ion is a halogen atom bearing a negative charge. (e.g., F-, Cl-, etc.) Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Technology and tagged chemistry, science. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.