Sodium chloride, also known as table salt, is a compound with the chemical formula NaCl. It is composed of sodium (Na) and chlorine (Cl) ions in a 1:1 ratio. Sodium chloride is one of the most commonly used and important chemical compounds, with a wide range of uses in industry, medicine, and everyday life.
Plan and carry out investigations that demonstrate the chemical and physical processes that form rocks and cycle Earth’s materials (e.g., processes of crystallization, heating and cooling, weathering, deformation, and sedimentation).