Can be stopped by (in this order), Al foil, paper, thick concrete
What is beta radiation, alpha radiation, gamma radiation?
300
Causes an increase in atomic number.
What is beta decay?
300
Lead-206
What is the stable product of the transmutation of U-235?
300
The "pro" argument for fusion regarding fuel.
What is very abundant?
300
Has four eyes but can't see.
What is Mississippi?
400
An isotope that is used to date old bones.
What is Carbon-14?
400
Makes a radioactive nucleus unstable.
What are excess neutrons in the nucleus?
400
The "con" argument for fusion production?
What is "lack of ability to contain the heat produced?"
400
This is so delicate that saying its name breaks it.
What is silence?
500
Expulsion of energetic sub-nuclear particles, changing of atomic mass and charge, and changing of elements.
What is "experimental evidence that radioactivity is a process that occurs in the atomic nucleus?"
500
Of Iron-56 there are 30.
What are neutrons?
500
The energy required to disassemble a nucleus.
What is binding energy?
500
The element with the least mass/nucleon and therefore unable to undergo fission or fusion.
What is iron?
500
Take away my first letter, and I still sound the same. Take away my last letter, I still sound the same. Even take away my letter in the middle, I will still sound the same. I am a five letter word.