What is Anion in Biology? PDF Book

Learn Anion definition in biology with explanation to study “What is Anion”. Study anion explanation with biology terms to review biology course for online degree programs.

Anion Definition

  • A negatively charged ion is called anion.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Anion Explanation

A negatively charged ion is a anion. If kept in a electric field, these ions will be attracted to the positive charge and will move towards the positive pole of the electric charge. Anions are atoms or radicals or a groups of atoms, that have gained electrons. Since they now have more electrons than protons, anions hence have a negative charge. For example, chloride ions Cl- , bromide Br- , iodide I-.

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