Common Compounds:
* Water (H₂O): Made of hydrogen and oxygen atoms.
* Salt (NaCl): Made of sodium and chlorine atoms.
* Sugar (C₁₂H₂₂O₁₁): Made of carbon, hydrogen, and oxygen atoms.
* Carbon dioxide (CO₂): Made of carbon and oxygen atoms.
* Ammonia (NH₃): Made of nitrogen and hydrogen atoms.
* Methane (CH₄): Made of carbon and hydrogen atoms.
* Ethanol (C₂H₅OH): Made of carbon, hydrogen, and oxygen atoms.
* Aspirin (C₉H₈O₄): Made of carbon, hydrogen, and oxygen atoms.
Inorganic Compounds:
* Iron oxide (Fe₂O₃): Found in rust.
* Sodium bicarbonate (NaHCO₃): Baking soda.
* Calcium carbonate (CaCO₃): Found in limestone, seashells.
* Hydrochloric acid (HCl): A strong acid.
* Sodium chloride (NaCl): Table salt.
* Potassium hydroxide (KOH): A strong base.
Organic Compounds:
* Glucose (C₆H₁₂O₆): A simple sugar.
* Proteins: Long chains of amino acids.
* Fats: Made of glycerol and fatty acids.
* DNA: Carries genetic information.
* Polystyrene: A type of plastic.
* Nylon: A synthetic fiber.
Other Examples:
* Bronze: An alloy of copper and tin.
* Brass: An alloy of copper and zinc.
* Steel: An alloy of iron and carbon.
* Air: A mixture of gases, primarily nitrogen and oxygen.
Key Characteristics of Compounds:
* Fixed composition: A compound always contains the same elements in the same ratio.
* Distinct properties: Compounds have properties different from their constituent elements.
* Chemically bonded: The atoms in a compound are held together by chemical bonds.
I hope these examples are helpful! Let me know if you have any other questions.