Across
- 1. the amount of energy needed to raise the temperature of water
- 7. on the periodic table it tells us the number of protons in an atom's nucleus
- 9. when water molecules stick to other water molecules
- 10. substance in a solution that is dissolved
- 11. center of the atom
- 14. bond formed when electrons are shared between atoms
- 16. when water molecules stick to different substances
- 17. mixture of water and undissolved material
- 18. a material where all components are evenly distributed
- 19. solution with a pH that is greater than 7; produces OH- ions in solution
- 20. substance in a solution that does the dissolving
- 22. the universal solvent
- 23. bond formed when electrons are transferred from one atom to another
Down
- 2. basic unit of matter
- 3. solution with a pH that is less than 7; produces H+ ions in solution
- 4. a positively or negatively charged atom
- 5. subatomic particle with a negative charge
- 6. subatomic particle with a positive charge
- 7. on the periodic table it tells us the total protons + neutrons in an atom's nucleus
- 8. a weak acid or base that prevents sharp changes in pH
- 12. pure substance of one atom
- 13. atoms of the same element with different numbers of neutrons
- 15. material composed of 2 or more elements or compounds that are physically combined
- 21. subatomic particle with a neutral charge
- 24. substance formed by the chemical combination of two or more elements