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Radiation The math of Radioactivty Radioactivity Fisson & Fusion Nuclear Powerplants 10 Point 10 Point 10 Point 10 Point 10 Point 20 Points 20 Points 20 Points 20 Points 20 Points 30 Points 30 Points 30 Points 30 Points 30 Points 40 Points 40 Points 40 Points 40 Points 40 Points 50 Points 50 Points 50 Points 50 Points 50 Points
What are the three types of radiation
Alpha, beta, gamma
This type of radiation does not have the ability to penetrate metal foil
Beta radiation
What type of force helps to keep protons and neutrons together in the nucleus?
A STRONG Nuclear Force
radioisotope used to diagnose _________ are a type of radioisotope used to diagnose medical problems
Tracers
A beta particle has ______ than an alpha particle.
Greater penetrating ability
How much time will have elapsed when 6.25 grams remain radioactive? 100.0 grams of an isotope with a half-life of 36.0 hours is present at time zero. How much time will have elapsed when 6.25 grams remain radioactive?
144 hours
What element does Polonium-186 turn into once is undergoes alpha decay
Lead (Pb)
How many half lives have passed is 1/32 of a samples original amount of radioactive material remains unchanged?
5
What is the mass number for an alpha particle, beta particle and gamma wave?
Alpha: 4amu Beta: 0 amu Gamma: 0 amu
25% of an baleen carving’s original carbon-14 remains unchanged 25% of an baleen carving’s original carbon-14 remains unchanged. Carbon-14 has a half life of 5,730 years. How old is the carving?
11,460 years
Who discovered the effects of radioactive decay while studying a sample of a mineral with uranium in it. What did he put in his drawer? What happened?
Henry Becquerel, a sample of the mineral and a photographic plate wrapped in paper, an image of the mineral on the plate
What is defined as the spontaneous emission of radiation by an unstable atomic nucleus?
Radioactivity
How does a nucleus become stable?
It can emit a gamma ray, beta particle, alpha particle.
Would radioactive tracers used by physicians have short or long half-lives?
Short
Free Question! Everyone gets 10 points
YAY!
Stars use Hydrogen Fuel in which process?
Nuclear Fusion
Nuclei of large atoms can Undergo fission by hitting them With…..
Neutrons
The process in which a large nucleus splits is….
Nuclear Fission
Why would energy for your home not be generated by nuclear fusion?
Really high temps are needed, more E is needed to contain the plasma than is actually produced, its hard to contain plasma.
The process that changes the IDENTIY and number of protons in a nucleus is….
Fusion, Fission and Transmutation
Nuclear power plants use controlled ______ chain reactions
Fission
What happens to the waste products of nuclear power plants?
It remains radioactive for thousands of years!
What part of nuclear power plants keep reactions at a safe level?
Control rods
Coolant turns to steam, steam then does what...
Rotates the turbines
A generator turns kinetic energy of the turbine into __________ energy in a nuclear power plant.
Electrical
Final Jeopardy Make your wager
Final Answer
Final Question