1. 1st Semester Review
The correct (accepted) value for the length of a metal rod is 22.6 cm. Which of these sets of measurements would be considered precise but not accurate?
22.5 cm, 22.7 cm, 22.6 cm
20.4 cm, 20.2 cm, 20.3 cm
12.6 cm, 22.6 cm, 32.6 cm
24.6 cm, 23.7 cm, 25.9 cm
Fall 2013 MC Final Exam – Question #4
Answer: b

2. 1st Semester Review
When moving from a lower (ground state) to a higher energy level (excited state), the electron __________.
always doubles its energy
releases a certain amount of energy
absorbs a certain amount of energy
emits photons of light
Fall 2013 MC Final Exam – Question #15
Answer: c

3. 1st Semester Review The most common isotope of lithium is __________.
Fall 2013 MC Final Exam – Question #22
Answer: d

4. 1st Semester Review
Which of the following statements about nuclear energy would NOT be true?
Nuclear power plants are able to store and dispose of radioactive waste efficiently and safely.
Nuclear power plants produce no air pollution or carbon dioxide emissions.
Nuclear power reduces the consumption of fossil fuels compared to coal power.
Nuclear reactions produce significantly greater amounts of energy than chemical reactions.
Fall 2013 MC Final Exam – Question #25
Answer: a