Across
- 3. a reaction which uses a lot of energy and can feel cold
- 5. elements or compounds that react to complete a chemical reaction
- 7. NaCl --> Na + Cl
- 8. H2 + Br2 --> 2HBr
- 9. Na3PO4 + 3KOH --> 3NaOH + K3PO4
- 10. a reaction which releases energy as heat
Down
- 1. The final result of a completed chemical reaction
- 2. Compound of Carbon and hydrogen
- 4. CH4 + 2O2 --> CO2 + 2H2O
- 6. ZnCl2 + Cu --> CuCl2 + Zn