Halide Ion Definition in Chemistry

Stars being formed from primordial hydrogen (Digital Composite)
Stocktrek / Getty Images
By
Anne Marie Helmenstine, Ph.D.
Chemistry Expert
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
our editorial process
Anne Marie Helmenstine, Ph.D.
Updated August 11, 2018

What is a halide ion? The name halide comes from the element halogen. A halide ion is a singlet halogen atom, which is an anion with a charge of -1.

Examples

F-, Cl-, Br-, I-

Format
mla apa chicago
Your Citation
Helmenstine, Anne Marie, Ph.D. "Halide Ion Definition in Chemistry." ThoughtCo, Aug. 27, 2020, thoughtco.com/definition-of-halide-ion-in-chemistry-604524. Helmenstine, Anne Marie, Ph.D. (2020, August 27). Halide Ion Definition in Chemistry. Retrieved from https://www.thoughtco.com/definition-of-halide-ion-in-chemistry-604524 Helmenstine, Anne Marie, Ph.D. "Halide Ion Definition in Chemistry." ThoughtCo. https://www.thoughtco.com/definition-of-halide-ion-in-chemistry-604524 (accessed April 11, 2021).