Name _______________________________ Date _________________ Period _________ Extraordinary properties of Water ppt Questions 1. What is the formula for a molecule of water? 2. Which atom in water attracts more negative electrons? 3. Water is called a _______________ molecule because the oxygen end “acts” _____________ charged and the hydrogen end “acts” _______________ charged. 4. How do hydrogen bonds form? PROPERTIES OF WATER 5. Name 5 more properties of water that are important to life. a. b. c. d. 6. What is cohesion? 7. What is surface tension a measure of? 8. How does the film produced by surface tension help organisms? 9. What is adhesion? 10. How does adhesion DIFFER from cohesion? 1 11. Adhesion produces _______________________ _______________ as water is attracted to and pulled into a thin glass tube. 12. What process in plants is due to capillary action (one word)? SOLUTIONS & SUSPENSIONS 13. The _________________ is the substance being dissolved and the _______________ is what the substance is dissolved in. 14. What acts as a “universal solvent” because it dissolves so many substances? ACIDS, BASES, & pH 15. Write the equation for the dissociation (separation) of water and label the hydrogen & hydroxide ions? 16. What does the pH scale actually measure? 17. The pH scale ranges from ________________ with a pH of ______ being neutral. 18. Where are acids found on the pH scale? 19. Where are the bases found on the pH scale? 20. How much stronger is a substance with a pH of 3 than a pH of 6. Show how you got your answer. 21. Acids produce a lot of ____________ ions, while bases contain lots of __________ ions. 22. What is a buffer? 2