Information about Exam 2

About the Exam

The exam will be given Thurs, Oct 6 – Sat, Oct 8 in the Testing Center. Bring a scantron sheet (available in the bookstore) and your Dixie College ID with you, and make sure you can tell them my name (Sarah Black) and the class (Chem 1010, sec 2). You have an unlimited amount of time to take the exam, so be sure to give yourself plenty of time, and go to the bathroom first! The last exam is given out an hour before closing (9 pm). You should plan on about 2 hours to take the exam.

The testing center hours are:

Thurs: 9 am – 10 pm
Fri: 9 am – 10 pm
Sat: 2 pm – 10 pm

PLEASE NOTE: The Testing Center has now moved to their new location in the northeast corner of the North Plaza Building.

If you fail to take the test on these days, you may see me for permission to take the exam with a 10% late penalty. If you would like to petition to have this penalty waived because of a personal difficulty, please let me know.

The exam will contain:

A periodic table (just like the one I gave out in class) will be printed on the front of the exam for you to use.



Before you take this exam:

1. Review your Learning Guides, using the posted Lecture Notes on the course website to make sure that you have all of the information. If there is something you are confused about, read that section again carefully, then write down any questions that you'd like to discuss in the Review Session in class. (Note: material from the class discussion will NOT appear on the exam.)

2. Look at the Study Questions on Blackboard. Starting at noon on the first day of the exam, you will be able to see the answers to these questions if you got them wrong. Make sure you understand the correct answer to all of the questions that were asked.

3. Go through each lecture and make a list of key terms and their definitions.

4. Make a list of the names and formulas of all of the compounds we have discussed in class in this unit, and where they are found.

5. Look through the Unit 2 Learning Outcomes given on the course website. This will help you to know what you are supposed to be able to do with the information in each lecture.

6. Do the Exam 2 Review Questions in class or print them out from the course website. Look at the key to make sure you understand these concepts.

7. Look at each of the possible essay questions listed below. Be sure that you can write a thorough essay (1/2 to 3/4 page) on each topic.



Essay questions - One of the essay questions from the list below will appear on your exam (you will not be able to choose which one). You should be prepared to write a good, clear essay (1/2 to 3/4 page) about each one. Be sure to answer all parts of the question in your essay.

1. Explain how electrons are organized in atoms, and how to tell which ones are involved in forming chemical bonds. What is the octet rule, and how does it explain the behavior of noble gases? How does it explain the behavior of nonmetal atoms in forming molecule? Choose two different molecules (not atoms) and explain how their atoms form bonds to fulfill this rule.

2. What are the characteristics of substances which are solids, liquids, and gases? How does the behavior of the molecules in these states, including the organization, spacing, and movement of the molecules, explain these characteristics? Choose any two changes of state, and explain how the behavior of the molecules changes during these processes, and whether energy is given up or absorbed.

3. Compare physical changes, chemical reactions, and nuclear reactions. Explain the differences between each of them, including what happens to the atoms and molecules and how much energy is involved. Give at least one example of each type of change and explain how it fits the description for that kind of change. Give at least 2 clues that a chemical change is occurring, and explain why each one indicates that that a chemical change is happening.