Across
- 4. a material that is attracted to metal.
- 5. a compound that includes oxygen.
- 7. substance that can be broken up.
- 8. smallest particle on earth.
- 9. see-through or transparent.
- 10. table of elements.
- 12. a process that allows things to continue as they are.
Down
- 1. this can't be split up.
- 2. splitting up a compound with an electric current.
- 3. the letters that represent an element.
- 6. no colour.
- 9. combination of symbols that creates a compound.
- 11. an energy source that will not run out.
- 13. mineral that contains aluminium oxide-the main source of aluminium.