1. Water (H₂O): A common compound made of hydrogen and oxygen.

2. Gold (Au): A metallic element found in its pure form.

3. Sodium Chloride (NaCl): A compound commonly known as table salt.

4. Helium (He): A noble gas element, often used in balloons.

5. Diamond (C): A pure form of carbon, known for its hardness.

6. Sugar (C₁₂H₂₂O₁₁): A compound composed of carbon, hydrogen, and oxygen.

7. Silver (Ag): A metallic element, often used in jewelry.

8. Oxygen (O₂): A gaseous element essential for respiration.

9. Iron (Fe): A metallic element used in many industries.

10. Copper (Cu): A reddish-brown metallic element, used in wiring and plumbing.