Across
- 3. adenosine triphosphate
- 5. a chemical substance that resists changes in the pH of a solution
- 8. P
- 9. the basic structural components of proteins (2 words)
- 12. subatomic particle that orbits around the nucleus of an atom and has a negative charge
- 13. any atom that has lost or gained one or more electrons
- 15. K
- 16. C
- 19. the combined weight of protons and neutrons for a given atom (2 words)
- 20. a molecule consisting of chains of hundreds or thousands of amino acids
- 21. the orbital paths of electrons found at varying distances from the nucleus of an atom (2 words)
- 22. H
- 23. molecules that contain carbon and are the principle materials that makeup living things
- 24. O
Down
- 1. H2O
- 2. molecules that when dissolved in water dissociate into cations and anions
- 4. chemical reaction in which large organic molecules are formed from smaller units by the removal of water
- 6. matter composed entirely of atoms of the same kind
- 7. Cl
- 10. a substance that influences the rate of a chemical reaction but is not altered during the reaction
- 11. a blood pH that is below 7.35
- 14. Zn
- 17. the number of protons within an atom (2 words)
- 18. NaCl