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Half Life
Nuclear Reactions
Newly Formed Elements
Properties of Reactions
Decay
100
After 70 days, how many half-lives of Argon-37 (half life is 35 days) have elapsed?
What is 2
100
Spontaneous nuclear reactions
What is alpha decay, beta decay, or positron emission
100
Cesium-137 undergoes beta decay
What is barium-137
100
Two properties conserved during a nuclear reaction...
What is mass and atomic number
100
An alpha particle is
What is a helium nucleus
200
What external factors impact half life?
What is nothing
200
Nuclear reaction in which an atom is hit by neutrons and split
What is nuclear fission
200
Francium-208 undergoes alpha decay
What is Astatine-204
200
This property causes varying radiations to not cross certain materials
What is penetrating power
200
A beta particle is
What is an electron whose source is an atomic nucleus
300
The amount of nickel remaining when 10g of nickel-56 (half life is 6.1 days) undergoes electron capture for 61 days
What is 0.01g
300
Alpha particles combine to form heavier atoms
What is nuclear fusion
300
Sodium-11 undergoes electron capture
What is neon-10
300
The ability of radiation to knock off elections from an atom
What is ionizing power
300
Positron emission is
What is the release of electron anti-matter, or positrons
400
When 4000g of Iodine-111 undergoes positron emission (half life of Iodine-111 is 2.5 seconds), for 30 seconds, this is what is left
What is 0.9766g
400
Transformation of an element into a new element
What is nuclear transmutation
400
Phosphorous-30 undergoes positron emission
What is silicon-30
400
Danger property of a isotope
What is chemical property
400
Charge of gamma radiation
What is neutral
500
Starting mass of C-14 when 100g remains after 3 half lives
What is 800g C-14
500
What is the difference between artificial and natural transmutation?
What is artificial requires a projectile atom and a target atom
500
Calcium-41 undergoes electron capture
What is potassium-41
500
Enough of the fissile material that sustains the reaction upon neutron impact
What is critical mass
500
Relative penetrating power of gamma rays
What is the highest