Nuclear Reactions
The formula used to determine energies associated with nuclear reactions
What is E = mc2 ?
True or False: Some substances excited by radiation give off light as electrons return to their lower energy states
What is True?
When two nuclei are combined
What is fusion?
Chernobyl was a nuclear power plant disaster in this modern day country
What is Ukraine?
Units of measuring dosage of radiation
What is rad, gray, rem
The slow moving neutron that causes nuclear fission
The most common tool used to detect radiation
What is the Geiger Counter?
When a nucleus is split by a neutron
What if fission?
The time until Chernobyl is safe for permanent settlement(within 25%)
What is 20,000 years(15,000-25,000)?
When radiation causes ionization
What is ionizing radiation?
The energy required to separate a nucleus into its individual nucleons
What is nuclear binding energy?
This French guy discovered radioactivity
Who is Henri Becquerel?
The amount of fissionable material large enough to maintain a chain reaction with a constant rate of fission
What is critical mass?
The three important parts of a nuclear reactor
What are water, control rods, & fuel elements/rods?
What is radiation therapy?
The lowest temperature required for anny fusion
What is 40,000,000 K
Compounds with a small amount of radioactive material that can be used to trace the path of an element
What are radiotracers?
Material proposed to contain fusion reactions on earth
What is a magnetic field?
Half-lives required for radioactive waste to be considered safe
What is 20?
Dosage at which half the exposed population will die in a month
What is 500 rem?
Absorbed dosage(in rad) if a 50 kg person is uniformly irradiated by 0.1 J alpha radiation
What is 0.2 rad?
What are in PETs(position emission tomography), diagnosis of diseases, or testing activity of thyroid glands?
What are the most famous examples of a. fusion or b. fission
What is Fusion:the sun; Fission:atomic bombs.
The maximum amount bananas you can eat in a singular day before dying from the potassium poisoning
What is 10 million bananas?
Noble gas that is a cause of lung cancer