Across
- 3. Two compounds swap cations or anions with each other
- 8. States that during a chemical reaction, no energy is created or destroyed but only changed from one form to another
- 10. Reactions that release heat
- 12. The gaining of electrons during a chemical reaction
- 13. The number placed in front of a chemical formula within a chemical equation
- 16. One element in a compound is replaced by another element
- 17. States that we need three things to happen before reactants will react
- 19. The energy needed to get a chemical reaction started
- 20. The reactants form products, but the products can also react together to re-form the original reactants.
- 22. The mass of one mole of a substance
- 23. Any instance in which electrons are lost
- 24. Substances combine to produce these
- 25. A process that changes a substance into one or more different substances
Down
- 1. States that any chemical system in equilibrium will adjust its equilibrium state in such a way as to reduce the effect of any changes made to the system.
- 2. Substances that enter into a chemical reaction
- 4. A combination of chemical formulas and symbols that model a chemical reaction
- 5. A reaction that absorbs more energy than it releases
- 6. Slow the rate of a reaction by reducing the effectiveness of catalysts
- 7. A single reactant breaks down into two or more products, the opposite of a synthesis reaction.
- 9. The speed of a reaction
- 11. Occurs when the forward and reverse reactions change
- 14. A substance that helps a reaction happen faster but is not used up in the reaction
- 15. Combine two or more reactants into a single, more complex product
- 18. A substance, usually called a fuel, reacts with oxygen
- 21. A defined quantity of items