Across
- 1. chemical combinations of elements
- 5. formed from a chemical change of iron
- 6. a physical property
- 10. has mass and volume
- 12. definite volume definite shape
- 14. solid formed when two solutions mix
- 16. a chemical change when a fuel reacts with oxygen
- 17. smallest unit of a compound
- 18. amount of matter in a substance
- 20. substances formed in a chemical reaction
- 21. physical property ratio of mass to volume
- 22. a property that describes how a substance reacts with another
- 24. mixture with visible parts
Down
- 2. elements that exist as a pair
- 3. a force due to gravity
- 4. mixture that is uniformly mixed
- 7. definite volume variable shape
- 8. a property that can be determined without a reaction
- 9. physical combination of pure substances
- 11. cannot be broken down into simpler substance
- 13. variable shape and volume
- 15. elements and compounds one set of properties
- 19. substances that go into a chemical reaction
- 23. smallest unit of an element