Miscellaneous
part of the atom involved in a normal chemical reaction
what are electrons?
Average time it takes for half the amount of a radioactive element to decay
what is half-life?
Used to treat thyroid disorders
What is I-131?
This type of nuclear reaction happens spontaneously because of a neutron-proton ratio outside the belt of stability
What is natural transmutation?
Three main types of nuclear radiation
what are alpha, beta, and gamma?
Used in nuclear reactors to manipulate the chain reaction.
What are control rods?
Thorium-234 has a half-life of 24 days, started with 100 g how much is left after 48 days?
What is 25 grams?
Used to date once living things.
What is C-14?
From what radioactive element does fluorine–19 form by positron emission?
What is O-19?
Most penetrating form of radiation
What are gamma rays?
Part of the atom involved in a nuclear reaction
What is the nucleus?
Radium-266 has a half life of 1599 years, how much of 15.0 mg is left after 6369 years.
What is 0.94 mg?
Used to date geologic formations.
What is U-238?
The isotope of uranium that was found to be easily fissionable.
What is U-235?
This type of radiation would move toward the positive plate.
What is a beta particle?
Quantities conserved and represented in a nuclear equation.
What are mass and charge?
Plutonium-239 is 24,110 years how much of 100 g remains after 96,400 years.
What is 6.25 g?
Tc-99, which has a short half-life is ideal for this medical process.
What is location of tumors?
Atomic Bomb
Nuclear Reactors
What is fission?
Produces the greatest change in mass number.
What is an alpha particle?
Releases the greatest amount of energy.
What is fusion?
Fraction remaining are 3 half-lives.
What is 1/8?
Used to trace uptake of phosphorus by plants
What is P-31?
Proton-Proton chain in stars
The hydrogen bomb
What is fusion?
This type of radiation can destroy bacteria, yeasts, molds, and insect eggs, so it is used in food preservation.
What is gamma radiation?