CaCl₂ refers to calcium chloride, an ionic compound composed of one calcium ion (Ca²⁺) and two chloride ions (Cl⁻).
Calcium ion (Ca²⁺): A positively charged ion that plays a key role in various biological processes.
Chloride ion (Cl⁻): A negatively charged ion that is essential for maintaining fluid balance and nerve function in the body.
A compound composed of positive and negative ions held together by electrostatic forces.