Answer:
When you pull a rubber band there is elastic potential energy stored in the rubber band but once you let go of either side the EPE turns into Kinetic Energy.
Answer: 5. Positive
6. Negative
9. Oxygen carbon hydrogen nitrogen
Explanation:
A . O2- because it is a negatively charged ion
27g x 1cm^2/2.7g = answer in cm^2
Grams cancel out
