♻️ap environmental science review

Calcium Carbonate (Limestone)

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Calcium carbonate is a chemical compound commonly found in rocks such as limestone. It is composed of calcium ions (Ca2+) and carbonate ions (CO32-) and plays a crucial role in various natural processes.

"Calcium Carbonate (Limestone)" also found in: