Across 4. A type of reaction where energy is released to the surrundings 6. The breakdown of a substance by heat (2 Words) 10. A reaction where one atom is replaced by another atom of a different compound 11. When polymers are made from monomers 12. The reaction of an alkene and another element or compound to form a single compound 13. A reaction in which one element takes the place of another in a compound, removing it from the compound 14. A reaction where energy is taken in from the surroundings

Down 1. A reaction where the forward and backward reaction are both likely 2. A reaction where the products can react together to form the reactants 3. A reaction where an acid reacts with a base to form a salt plus water 5. A reaction involving reduction as well as oxidation 7. The reaction in which ethanol is made from a mixture of sugar and yeast 8. The reaction where long chain hydrocarbons are broken down into smaller chain molecules 9. A reaction in which an insoluble salt is formed by mixing two solutions