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  1. Anion Gap Blood Test: Results and Ranges - WebMD

    Oct 10, 2025 · An anion gap test checks the levels of acid in your blood. Learn about the conditions that the test results can reveal, and what a high/low test result may indicate.

  2. ANION Definition & Meaning - Merriam-Webster

    Dec 5, 2015 · The meaning of ANION is the ion in an electrolyzed solution that migrates to the anode; broadly : a negatively charged ion.

  3. Anion Gap Blood Test: What It Is, Purpose, Risks & Results

    The anion gap reveals whether your blood has an imbalance of electrolytes or if your blood is too acidic or too basic. If you have too much acid in your blood, it’s called acidosis.

  4. Anion - Simple English Wikipedia, the free encyclopedia

    An anion has more electrons in its atomic orbitals than it has protons in its atomic nucleus. The opposite of an anion is a cation, which has a positive charge.

  5. ANION | definition in the Cambridge English Dictionary

    Chloride is the anion in table salt, but it's also the anion in hydrochloric acid.

  6. Cations and Anions: Definitions, Examples, and Differences

    Mar 3, 2020 · The chemical formula of a compound is always written with the cation first, followed by the anion. For example, Na is the cation and Cl is the anion in NaCl (table salt).

  7. Anion Chemistry Glossary Definition and Examples - ThoughtCo

    Jan 6, 2020 · An anion is an ionic species having a negative charge. The chemical species may be a single atom or a group of atoms. An anion is attracted to the anode in electrolysis. Anions …

  8. Anion | chemistry | Britannica

    Anion, atom or group of atoms carrying a negative electric charge. See.

  9. Anions: Negative Ions Explained | Chemistry Learning

    An anion (pronounced AN-eye-on) is a negatively charged ion. But what does that mean? Let's break it down: • Ions are atoms or molecules that have gained or lost electrons • Anions have …

  10. 7.4: Anions - Chemistry LibreTexts

    Anions are negative ions that are formed when a nonmetal atom gains one or more electrons. Anions are so named because they are attracted to the anode (positive field) in an electrical …