A carbonate is a salt of carbonic acid, (H2CO3), [2] characterized by the presence of the carbonate ion, a polyatomic ion with the formula CO 32–. The word "carbonate" may also refer to a carbonate ester, …

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, particularly in …

Feb 21, 2026 · 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 (H2CO3), …

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.

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 carbonate ion is CO …

Jan 4, 2026 · Carbonate is an immense reservoir of carbon on Earth, primarily in the form of calcium carbonate (CaCO3). This compound is the main constituent of common sedimentary rocks, including …

Feb 9, 2026 · A carbonate is a chemical compound that contains the carbonate ion (CO₃²⁻). This ion consists of one carbon atom bonded to three oxygen atoms. Carbonates are formed when carbon …

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, Na 3 (CO 3) …

The major groups of carbonate minerals include calcite, aragonite, and dolomite, each possessing distinct crystal structures and properties. Carbonate minerals form in a variety of geological …

Carbonate mineral, any member of a family of minerals that contain the carbonate ion, CO32-, as the basic structural and compositional unit. The carbonates are among the most widely distributed …