GEOLOGY

Detailed explanation-1: -Carbonate is a polyatomic anion with the formula CO2−3 and has a trigonal planar molecular structure which consists of a carbon atom surrounded by three oxygen atoms.

Detailed explanation-2: -In general, the most common main group elements used as carbonates are the Alkali and Alkaline metals. All main group carbonates, except Na, K, Rb and Cs are unstable to heat and insoluble in water. Usually all carbonates are soluble in acid, because of the formation of bicarbonate ion.

Detailed explanation-3: -Calcium carbonate is a chemical compound with the formula CaCO3 formed by three main elements: carbon, oxygen, and calcium. It is a common substance found in rocks in all parts of the world (most notably as limestone), and is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells.

Detailed explanation-4: -Carbonates. The basic carbonate structure is one carbon atom bonded to three oxygen atoms. Carbonates include other elements, such as calcium, iron, and copper. Calcite (CaCO3) is the most common carbonate mineral (Figure below).