Across
- 4. Its atomic symbol is CO
- 8. It is resistant to corrosion
- 9. It is used as a currency throughout the world
- 11. A tree that lives through the winter
- 12. It was used in pipes
Down
- 1. used to make steel alloys
- 2. It is used to wire things
- 3. Used to galvanize other metals
- 5. Used as a heating element and field emitter
- 6. A tree with thin bark
- 7. A black liquid
- 10. Found in water