Across
- 2. a scale from 0 to 14 reflecting the concentration of hydrogen ions in solution
- 6. particles with no charge
- 8. compound that forms hydrogen ions in solution
- 9. compound that produces hydrogen ions in solution
- 10. atom or group of atoms that has acquired a positive or negative charge as a result of gaining or losing electrons
- 11. attraction between molecules of the same substance
- 12. negatively charged particle; located outside the atomic nucleus
- 13. large compound formed from combinations from many monomers
- 14. element or compound produced by a chemical reaction
- 16. bond formed by the sharing of electrons between atoms
- 19. substance made up of only one kind of atom
Down
- 1. small unit that can form together with other small units to create a polymer
- 2. positively charged particles
- 3. energy needed to get a reaction started
- 4. smallest unit of most compounds
- 5. atoms of the same element that contain different number of neutrons
- 7. mixture of water and non-dissolved materials
- 15. substance that speeds up the rate of a chemical reaction element/substance made up of only one kind of atom
- 17. basic unit of matter
- 18. protein that acts as a biological catalyst