Across
- 4. negative ion
- 6. the smallest unit of an element
- 8. this is the reaction if you chop wood
- 9. the amount of kinetic energy in something
- 11. the potential to move
- 12. no charge
Down
- 1. two physically mixed elements
- 2. the energy of motion
- 3. positive ions
- 5. this is the reaction of rusting metal
- 7. the complete amount of kinetic energy
- 10. only one type of atom