Across
- 6. a chemical process in which a substance reacts rapidly with oxygen and gives off heat.
- 7. the production of chemical compounds by reaction from simpler materials.
- 8. loss of hydration
- 9. substance able to increase the rate of a chemical reaction without itself being consumed or changed by the reacting chemicals
- 11. (of a reaction or process) accompanied by the release of heat.
- 12. substance that takes part in and undergoes change during a reaction
Down
- 1. (of a reaction or process) accompanied by or requiring the absorption of heat
- 2. symbolic representations of chemical reactions in which the reactants and the products are expressed in terms of their respective chemical formulae.
- 3. substances formed from a chemical reaction
- 4. the processes by which chemicals interact to form new chemicals with different compositions.
- 5. a reaction in which one element is substituted for another element in a compound.
- 10. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
