Across
- 2. potential for hydrogen
- 5. man made polymers
- 8. substance that speeds up a chemical reaction without being used up in the process
- 9. molecules arranged in long repeating chains
- 10. energy is released during a chemical reaction
- 11. tastes sour, conducts electricity, ruins metal & donates hydrogen ions
- 12. when reactants absorb energy
Down
- 1. substances you start with in a chemical reaction
- 2. substances reactants make
- 3. 2 or more substances interact with each other and change into different chemical substances
- 4. chemical opposite of an acid
- 6. a solid that has a regular repeating arrangement of atoms
- 7. doesn't change molecules only changes the way things look
- 11. base that works against the acid upsetting your stomach