Nuclear fission is used enable to release energy in power plants. The constant collision of particles within the reactor, create most of the plants energy.
Answer: Chemical and Potential Energy
Explanation: Im pretty sure that is it i know it is Chemical and Potential Good Luck Hope I helped. =)
Lower energy and more disorder
The fourth period contains 18 elements, beginning with potassium and ending with krypton. As a rule, period 4 elements fill their 4s shells first, then their 3d and 4p shells, in that order; however, there are exceptions, such as chromium.
Cr. I think