Across
- 2. gas changes to a liquid
- 4. contains 2 or more substances not bonded together
- 6. the area where electrons are found around an atom's nucleus
- 7. the tiny particles that make up all matter
- 10. atoms loosely packed and move against each other
- 11. atoms tightly packed with a regular pattern and vibrate in place
- 12. a positively or negatively charged atom
- 13. contains atoms of 2 or more different elements bonded together
- 14. does not create a new substance
- 15. atoms spaced far apart and move freely
- 19. electrons in the outer most electron shell
- 21. creates a new substance
- 22. liquid changes to a gas
- 24. the starting substances that participate in a reaction
- 26. the relationship between mass and volume of a given substance
Down
- 1. this law states that matter is neither created nor destroyed in a reaction
- 3. indicates the number of protons in the nucleus of an atom
- 5. 7 rows on the periodic table
- 8. a table that shows all the different elements
- 9. negatively charged subatomic particles found in the electron cloud surrounding an atom
- 16. the substances produced because of a reaction
- 17. positively charged subatomic particles found in the nucleus of an atom
- 18. neutral charged subatomic particles found in the nucleus of an atom
- 20. solid changes to a gas
- 23. 18 columns on the periodic table
- 25. a substance that cannot be broken down into simpler substances by chemical means