Across
- 2. The name of a charged atom
- 7. Causes the reaction to be faster
- 8. A substance that undergoes change during a reaction
- 9. A chemical reaction that absorbs heat from around it
- 10. Builds up on metal when oxygen and water react with it
Down
- 1. The outermost shell of an atom
- 3. The equivalent of 2 elements mixing
- 4. A reaction when the electrons get absorbed
- 5. Binary compound for oxygen
- 6. A chemical reaction that emits heat or light