Across
- 3. a substance made up of high energy particles that are constantly moving rapidly.
- 6. building blocks of chemistry and matter
- 8. the basic building block of all matter and chemistry.
- 9. is a element that symbol of O.
- 10. A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals.
Down
- 1. a compound made up of two or more chemical components that are not chemically linked.
- 2. a liquid at is in ocean.
- 4. a substance that contains atoms of two or more different elements,
- 5. a substance that can neutralise the acid by reacting with hydrogen ions
- 7. someone who causes harm or distress to others through their words and actions