Across
- 4. A characteristic of a substance that can be observed without changing it into other substances
- 7. An example of a homogeneous mixture
- 8. A formula that sows the elements and the ratio of elements
- 9. Any change that changes the form of matter but does not change or produce any substance
- 11. The fact that matter is not created or destroyed in any change
- 15. A mixture with parts that are not visible
- 16. The simplest substance that is pure
- 17. A group of atoms held together by a chemical bond
Down
- 1. A single kind of pure matter
- 2. A pure substance made of two or more elements with certain ratio
- 3. Any change that changes or produces any substance
- 5. A mixture with visible different parts
- 6. The basic particle that forms all elements
- 10. Anything that takes up space and has mass
- 12. A material that is made of two or more substances
- 13. A force of attraction between two atoms
- 14. A characteristic of a substance that shows its capability to change into different substances