Define a chemical compound and give 4 examples

A chemical compound is a substance composed of two or more elements that are chemically bonded together in specific proportions.

Examples of chemical compounds include:
1. Water (H₂O) - composed of hydrogen and oxygen
2. Sodium chloride (NaCl) - composed of sodium and chlorine
3. Carbon dioxide (CO₂) - composed of carbon and oxygen
4. Ammonia (NH₃) - composed of nitrogen and hydrogen