karbonaattiryhmäisen

Karbonaattiryhmäinen refers to a chemical compound or functional group containing the carbonate ion, which has the chemical formula CO3^2-. This ion is characterized by a central carbon atom bonded to three oxygen atoms. The carbonate ion is planar and has resonance structures, meaning the negative charge is delocalized over the oxygen atoms.

Compounds containing the carbonate group are known as carbonates. They are typically salts formed between the carbonate ion and metal cations, such as calcium carbonate (CaCO3) found in limestone and marble, or sodium carbonate (Na2CO3), also known as soda ash. Many biological and geological processes involve carbonates. For instance, the shells and skeletons of many marine organisms are made of calcium carbonate. In geology, carbonate rocks are a significant component of the Earth's crust and play a role in the carbon cycle.

The term "karbonaattiryhmäinen" can also be used in a broader sense to describe molecules that incorporate the carbonate functional group within their structure, not just simple ionic salts. These organic carbonates can have various applications, including as solvents or electrolytes in batteries. The presence of the carbonate group influences the chemical properties of the molecule, often imparting polarity and reactivity.