Across
- 3. a characteristic of pure substance that can be observed without changing it into another substance
- 5. a combination of symbols that represents the elements in a compound and their proportions
- 9. a neutral particle made of two or more atoms joined by covalent bonds
- 10. pizza,fruit salad,granite
- 11. atoms of two or more elements combined
- 12. gold,iron,hydrogen,oxygen
- 13. the basic particle from which all elements are made
Down
- 1. type of matter with a fixed composition that cannot be separated by physical means
- 2. materials made of two or more substances that cannot be separated by physical means
- 4. a well-mixed mixture containing a solvent and at least one solute that has the same properties throughout
- 5. a characteristic of a pure substance that describes its ability to change into a different substance
- 6. the study of physical properties and how matter changes
- 7. anything that has mass and takes up space
- 8. uniformed mixture,coffee with sugar,seawater