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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. 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, …

  4. Carbonates - Chemistry LibreTexts

    Carbonate is a polyatomic anion with the formula \ (CO_3^ {2-}\) and has a trigonal planar molecular structure which consists of a carbon atom surrounded by three oxygen atoms. The …

  5. 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 …

  6. 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 …

  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. What Is Carbonate in Water and Why Does It Matter?

    Nov 10, 2025 · Carbonate (textCO2−3) and bicarbonate (textHCO−3) are naturally occurring chemical compounds found in nearly all water sources around the world. These ions are a …

  9. 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 …

  10. Carbonates - American Elements

    Carbonates are salts or esters of carbonic acid and contain the carbonate ion, CO32−. Most carbonate salts are insoluble in water, but those that are soluble—carbonates of lithium, …