* Water (H₂O): Made up of two hydrogen atoms and one oxygen atom.
* Salt (NaCl): Made up of one sodium atom and one chlorine atom.
* Sugar (C₁₂H₂₂O₁₁): A more complex compound with multiple atoms of carbon, hydrogen, and oxygen.
* Carbon Dioxide (CO₂): Made up of one carbon atom and two oxygen atoms.
What makes a compound?
A compound is a substance formed when two or more different elements are chemically bonded together in a fixed ratio. The key features are:
* Different elements: Compounds must involve at least two different elements.
* Chemically bonded: The elements are not just mixed together, they are held together by chemical bonds.
* Fixed ratio: The elements combine in a specific ratio, which defines the compound.
Let me know if you want to explore more examples!
