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The WQA Glossary of Terms
This Glossary is published by the Water Quality Association (WQA) as a service to members and leaders in education, government, and industry.
© Copyright 2010 by Water Quality Association
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I
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Ion
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Wednesday,Aug 25, 1999
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An atom or radical (group of atoms such as SO42-
Positively-charged ions are called cations; negatively charged ions are called anions. An ion often has entirely different properties than the element (atom) from which it was formed.
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