Decay Equations
Fission/Fusion
Nuclear Weapons
Isotopes and Decay
Half Life
100
The name of this decay particle: 
What is an alpha particle?
100
When 2 small nuclei join together
What is fusion?
100
The trigger used to initiate a fusion bomb
What is a fission bomb?
100
When you change the neutron number of an element
What is an isotope?
100
The definition of half life
What is the time it takes half the mass to decay?
200
The charge on a positron particle
What is plus 1?
200
The process that takes place in the stars
What is fusion?
200
The only particle that can start a chain reaction
What is a neutron?
200
The proton number of isoptope Al-25
What is 13?
200
If you have 10 g of an isotope with a half life of 3 hours, the amount that will remain after 9 hours
What is 1.25 g ?
300
The new isotope for:
P-32 --> e- +
What is S - 32 ?
300
The process in nuclear power plants
What is fission
300
The name of the secret military group that developed nuclear weapons
What is the Manhattan Project?
300
The neutron number of isotope I-138
What is 85?
300
Po-214 has a half life of 164 s. This is how many seconds it would take for 16 g to decay to 1 g
What is 656 s ?
400
a neutron becomes a proton
What is beta decay?
400
Little boy and fat man bomb types
What is fission?
400
The 2 elements that can sustain a chain reaction
What are U and Pu?
400
Decay mode when an isotope has too many protons
What is beta or electron capture?
400
You have 40 mg of an isotope and after 2 hours there is only 10 mg left. This is the half life of the isotope
What is 1 hour?
500
The second new spontaneous fission isotope is for
Fm-256 + n --> 4n + Xe - 140 +
What is Pd - 112 ?
500
critical mass and purity are needed
What is fission?
500
Unit used for bomb energy
What is the tonne?
500
Decay mode when an isotope has too many nuclear particles
What is alpha?
500
In 5.49 s, 1.2 g of Ar-35 decays to 0.15 g. This is the half life of Ar-35
What is 1.83 s ?