Across
- 3. a molecule containing more than one type of element
- 7. glows very bright when heated
- 10. when elements add an oxygen atom
- 11. a type of water that reacts carbon dioxide
Down
- 1. a reaction that can be changed back
- 2. when metals can transport hear and electricity well they are said to be good _____________.
- 4. rocks that contain metals
- 5. can be stretched
- 6. a reaction that cannot be changed back
- 8. molecules made of the same type of atoms
- 9. a type of very reactive metals found in group one