Flashcards in 31.3 - Uranium Fission Deck (7)
Nuclei that have a high atomic number are rich in what?
Neutrons (and protons)
When a high neutron nucleus absorbs another neutron, what can it do?
Split into 2 fragments
What is a common result of this?
2 or 3 more neutrons being released, as well as the release of energy
What can the extra neutrons lead to?
A chain reaction
What is crucial about the neutrons in order for them to split a nucleus?
They must be slow-moving
How is this achieved in a nuclear reactor?
With a moderator