Random
Nuclear Reactions
Half-Life
Radiation Types
Fission/Fusion
100
subatomic particle(s) located in the nucleus
What are protons and neutrons
100
Balance the following reaction: Iron-55 + _____ --> Manganese-55
What is a beta particle
100
What is half-life
Time required for half the amount of a radioactive element to decay
100
Type of radiation that is equivalent to an electron
What is a beta particle
100
What is fusion?
What is two smaller nuclei combining to form a larger nucleus
200
Part of the atom involved in a nuclear reaction.
What is the nucleus
200
Balance the following reaction: _____ --> Sulfur-32 + beta particle
Phosphorus-32
200
Thorium-234 has a half-life of 24 days, started with 100 g how much is left after 48 days?
What is 25 grams
200
Strongest type of radiation
What is gamma radiation
200
What is fission?
What is a nuclear reaction that involves the splitting of a heavy nucleus into a lighter nucleus.
300
spontaneously emitted particles or energy
What is radiation
300
Balance the following reaction: Plutonium-242 --> alpha particle + _____
Uranium-238
300
Plutonium-239 has a half-life of 24,110 years how long will it take for 6.25 g to remain of a 100 g sample?
What is 96,400 years
300
Least penetrating form of radiation
What is an alpha particle
300
Which occurs in the sun
What is fusion
400
In the isotope Uranium-235, what does the number 235 represent?
What is the mass number
400
Balance the following reaction: Californium-252 + _____ --> 3 neutrons + Lawrencium-259
Boron-10
400
Radium-266 has a half life of 1599 years. After 6396 years 0.94 mg remain. How was the mass of the original sample?
What is 15 mg
400
Which form of radiation is equivalent to a helium nucleus?
What is an alpha particle
400
What are the downsides of using fission as an energy source?
nuclear waste; danger of out-of-control chain reaction
500
Explain what causes a nuclei to be unstable. What will the nucleus do to become stable in both cases?
Too many (fission) or too few neutrons (fusion).
500
Explain why we have to balance nuclear reactions.
Law of Conservation of Mass
500
Thorium-227 half-life is 16 days, how many days are required for three-fourths of a 16 g sample to decay?
What is 32 days
500
Type of radiation with no mass and no charge
What is gamma radiation
500
Productive uses for nuclear chemistry (give at least 2)
What are medicine, energy, food irradiation
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