Across
- 2. made from two or more materials
- 3. energy being absorbed in the reaction
- 4. can not be created or destroyed but can only be transferred
- 5. a reaction that only works when heat is provided
- 6. found in their native state
- 8. K on the periodic table
- 11. require oxygen and gunpowder for it to react
- 12. Cl on the periodic table
- 13. ore is mixed with " " then dropped on the top of the blast furnace
Down
- 1. energy being transferred to the surroundings
- 4. is an electrical current passed through molten aluminum and oxygen
- 5. Ca on the periodic table
- 7. made from hydrogen and carbon
- 9. tiny particles that don't touch
- 10. a type of metal that turns greenish when oxidized