Across
- 4. 2 or more types of atoms that make it
- 5. synonym of easy to crack
- 6. able to molded to new shapes
- 8. a hard alloy made of copper and tin
- 10. can break down other substances
- 14. substances which can't break down further
- 16. grid-like structure
- 17. increase in size
- 18. solid becomes a liquid
Down
- 1. ability to stretch
- 2. change that doesn't change atom structure
- 3. form of sugar
- 7. building block of life
- 9. dull and not conductive
- 11. when a liquid turns to a gas
- 12. liquid to solid
- 13. is composed of one atom
- 15. normally shiny and conductive