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Chapter 16 Review
Question | Answer |
---|---|
Protons and Neutrons are found together in the part of the atom called the______? | Nucleus |
Two atoms of the same element w/ different mass numbers are called______? | Isotopes |
One kind of radiation not released by radioactive decay is_______? | Free Protons |
The fuel most commonly used in fission reactions is_________? | U- 235 |
Devices that absorb neutrons and are used to control the speed of a fission reactor are called________? | Control Rods |
A breeder reactor produces__________? | Pu-239 |
Each year, an average person in the United States is exposed to a radiation level of_______? | 0.2 rems |
Pu- 239 has a half-life of____________? | 24,000 years |
Losing control of the fission reaction in a reactor core may result in a________? | Meltdown |
The number of people forced to evacuate because of the Chernobyl accident was_________? | 116,000 |