Across
- 2. a thing that is composed of two or more separate elements
- 4. bonding using arrows. loses or gains
- 7. changes from liquid to gas
- 8. chemical symbol of lithium
- 10. 4/2
- 13. 0/-1
- 16. changes from gas to liquid
- 17. has a definite shape
- 18. the amount of matter in an object
- 19. anything that takes up space
Down
- 1. no defined shape but definite volume
- 2. uses circles to show bonding. shares
- 3. have a neutral charge
- 5. a type of reaction that changes the chemical
- 6. basic unit to chemical element
- 9. electron electron in the outermost shell of an atom
- 11. chemical name of Mg
- 12. You can find this by looking at the atomic number
- 14. no defined shape or volume
- 15. the chemical name of Au