Use this worksheet to work through sections B.4 and B.5. Complete the assignment on your own paper. Please remember to write your answers IN COMPLETE SENTENCES.
B.4: Molecular View of Water
1. Define atoms.
2. Compare and contrast elements and compounds.
3. Water contains more than one type of element yet it is considered a compound not a mixture. Explain this.
Are you writing in complete sentences??
4. Are there more different types of elements or compounds?
5. What is the smallest unit of a compound called?
Your Turn - read the introduction / instructions!
6. Explain why the color of a few drops of food coloring becomes lighter when mixed in a glass of water.
7. Answer question #1.
8. Answer question #2.
9. Answer question #3.
B.5: Symbols, Formulas, and Equations
1. What are chemical symbols?
2. In what way are chemical symbols like letters of the alphabet?
3. In what way are chemical formulas like "words"?
4. What are subscripts? What do they indicate?
5. What are the "sentences" in the language of chemistry and what do they tell us?
6. What happens during a chemical reaction?
7. What happens to the properties of the original substances after a chemical reaction?
8. What are chemical properties?
9. What are reactants and products?
10. What does it mean for a chemical reaction to be balanced?
Your Turn - read the introduction / instructions!
11. Answer question #1.
12. Answer question #2.
13. Answer question #3.
14. What is the molecular structure of a substance?