Across
- 4. combination : 2 seperate atoms come together to form 1 compound
- 6. :something that is produced by the reaction
- 8. : something that eneter the reaction
- 9. replacement : one element in a pair is replace by another
- 10. : the man who calculated a number of moles
- 11. : a number word
Down
- 1. : balance hydrogen
- 2. dozen : 13
- 3. : balance everything that not hydrogen or oxygen
- 4. replacement : two element pair " switch partner "
- 5. : balance oxygen
- 7. reaction : a process in which one or more substance converted into new substance
- 10. : dissovled in water