Chem. 105 Name___________________
20 points
1. What are three factors that affect solubility?
2. How does pressure affect gas solubility in water?
3. What is a solute?
4. Give 3 examples of solutions
5. Give 3 examples of suspensions
6. How does pressure affect solid solubility in water?
7. What is the difference between an endothermic and exothermic process?
8. What is the difference between how an ionic compound and molecular compound dissolves?
9. What is the difference between saturated, unsaturated and supersaturated solutions? How can you tell them apart?
10. Give three examples of a substance that is a compound
11. Give three examples of a heterogeneous mixture
12. Using the periodic table give three examples of a nonmetal element
13. Using the periodic table give three examples of a metal element
14. Using the periodic table what are the elements that are diatomic? Are they all gases?
15. Using the periodic table what are the two elements that are liquids at room temperature?
16. Using the periodic table give an element that is in the same family as potassium? What is the name of that family?
17. Using the periodic table give an element that is in the same period as potassium?
18. Using the periodic table what is the atomic number of potassium?
19. Using the periodic table what is the atomic weight of potassium?
20. List 3 chemical changes
21. List 3 physical changes
22. How are physical and chemical changes different? How can you tell the difference?