Across
- 2. The atoms in a compound are chemically joined together by strong forces
- 5. Shows the names of each substance involved in a reaction
- 8. The gain of oxygen, or loss of electrons, by a substance during a chemical reaction
- 9. They take in energy from their surroundings
- 14. Equation that includes the symbols and formulae of the substances involved
- 15. A substance that reacts with an acid to neutralise it and produce a salt
Down
- 1. Total mass of the reactants is the same as the total mass of the products
- 3. Reaction that releases energy to the surroundings
- 4. Material that is used to produce heat, like coal, oil or gas
- 6. Substances that are formed in the reaction
- 7. Calcium hydroxide solution
- 10. A substance that changes the rate of a chemical reaction without being changed by the reaction itself
- 11. Substances that react together
- 12. To be made neutral by removing any acidic or alkaline nature
- 13. Another name for burning