Across
- 2. The smallest unit of matter
- 3. Negatively charged particles
- 7. Simplest chemical substance that cannot be changed by any chemical reaction.
- 9. What is the matter that has definite shape and size
- 11. It happens when gas is transforms into a liquid
- 12. Positively charged particles
- 14. It is composed of tightly packed particles
- 15. The amount of matter present in an object
- 17. Occurs when heat is applied to a solid
- 19. An electrically neutral subatomic particle of an atom
- 20. Combination of atoms
Down
- 1. Anything that has mass and takes up space
- 4. Substance that made from two or more elements
- 5. Mixture of two or more substances
- 6. Has indefinite shape and volume
- 8. Describe how big or small is an object
- 10. Process of converting liquid to gas
- 13. Consist of highly charged particles with extremely high kinetic energy
- 16. Amount of space occupied by matter
- 18. It is the ability of materials to be easily broken down into pieces