Anion Definition: An ionic species having a negative charge.
Anion Examples: free chloride in an aqueous table salt (NaCl) solution, singlet oxygen
Table of Common Anions
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Anion Definition
Chemistry Glossary Definition of Anion
By Anne Marie Helmenstine, Ph.D., About.com Guide
This is the chemical structure of the phosphate anion, which has a charge of -3.
Todd HelmenstineSee More About
Anion Facts
Structures of Anions
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