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  1. Carbonate - Wikipedia

    A carbonate is a salt of carbonic acid, (H2CO3), [2] characterized by the presence of the carbonate ion, a polyatomic ion with the formula CO2− 3. The word "carbonate" may also refer …

  2. Carbonate | Ionic Bonding, Salts & Minerals | Britannica

    Dec 24, 2025 · Carbonate, any member of two classes of chemical compounds derived from carbonic acid or carbon dioxide (q.v.). The inorganic carbonates are salts of carbonic acid …

  3. What Is a Carbonate? Definition and Examples - ThoughtCo

    Jan 15, 2020 · In chemistry, a carbonate is an ion consisting of one carbon and three oxygen atoms or a compound that contains this species as its anion. The molecular formula for the …

  4. Carbonate: Definition, Formula, Structure, Formation, & Reactions

    The carbonate ion is a crucial polyatomic ion due to its stable structure and widespread occurrence in nature. Carbonates play key roles in geology, industry, and everyday materials, …

  5. Carbonates - Chemistry LibreTexts

    Carbonate is a polyatomic anion with the formula C O 3 2 and has a trigonal planar molecular structure which consists of a carbon atom surrounded by three oxygen atoms.

  6. Carbonate Definition - Intro to Chemistry Key Term | Fiveable

    A carbonate is a salt or ester of carbonic acid, containing the carbonate ion (CO3^2-). Carbonates are an important class of compounds that play a crucial role in both chemical nomenclature …

  7. CARBONATE Definition & Meaning - Merriam-Webster

    The meaning of CARBONATE is a salt or ester of carbonic acid. How to use carbonate in a sentence.

  8. Carbonate - Wikiwand

    In geology and mineralogy, the term "carbonate" can refer both to carbonate minerals and carbonate rock (which is made of chiefly carbonate minerals), and both are dominated by the …

  9. Carbonate Ion | CO3-2 | CID 19660 - PubChem

    Sep 15, 2025 · Carbonate Ion | CO3-2 | CID 19660 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, …

  10. 18.6 Occurrence, Preparation, and Properties of Carbonates

    The two carbonates used commercially in the largest quantities are sodium carbonate and calcium carbonate. In the United States, sodium carbonate is extracted from the mineral trona, …