Across
- 1. to describe the gain of electrons
- 4. reaction two or more substances combine to form another substance
- 5. to describe the loss of electrons
- 7. is a substance that speeds up a chemical reaction without being permanently changed itself
- 10. is a change in which one or more substances are converted into new substances
- 11. is a state in which forward and reverse reactions or processes proceed at equal rates
- 12. states that atoms, ions, and molecules must collide in order to react
- 15. occurs when a substance reacts with oxygen to produce energy in the form of heat and light
- 17. the starting substances that react
Down
- 2. are used to slow down the rates of chemical reactions or prevent a reaction from happening
- 3. is a way to describe a chemical reaction using chemical formulas and other symbols
- 6. is the rate at which reactants change into products
- 8. mass in grams of one mole of a substance
- 9. represent the number of units of each substance taking part in a reaction
- 13. is the amount of a substance that contains 6.02 × 1 0 23 particles of that substance
- 14. new products that are produced
- 16. is an insoluble compound that comes out of solution during this type of reaction