Fission
What type of reaction is this
Which of the following is true?
It is easy to implement.
It produces less energy than nuclear fission.
53.4 days
Nuclear energy has a relatively ____ cost
Low
Which radiation is more penetrating?
Gamma decay
An important aspect of fission reactions is that they produce _______________ which allow for chain reactions.
Neutrons
What conditions does this take place in?
High temp and high pressure
32 grams
Is nuclear energy renewable?
No, it is not renewable
What happens in beta decay?
A neutron turns into a proton and releases an electron.
BEFORE the fission process takes place, lead-207 is bombarded with neutrons, it can change into...
Lead-208
What type of reaction is this?
Synthesis reaction
A radioactive isotope has a half-life of ten days. How much of a 100 gram sample will be left after 20 days?
25 grams
True of false major nuclear reactor accidents is a con of nuclear energy
True
What can Beta particles not go through?
Aluminum
True or false fission doesn't happens on the sun
True
True or False fusion does not release more energy?
False
A 2,000g of C-14 is left to decay radioactively. The half-life of Carbon-14 is approximately 5,700 years.
What fraction of the sample will remain after 17,100 years?
1/8
True or false nuclear energy pollutes the air?
False
What do you lose in Alpha decay?
2 neutrons and protons
What is the process
Splitting a large, unstable, atom into smaller atoms
What is the process?
2 light weight atoms getting combined into one big atom and releases energy.
What is Half-life?
How long it takes for half of the nucleus to decay
Is 97% of adioactive waste fairly harmless?
Yes
What happens with Gamma radiation?
Gamma rays (Photons) are released.