nuclear fission Flashcards
what does nuclear fission generate
electricity
what is nuclear fission
when a unstable nucleus, like uranium are forced to split into two lighter nuclei
for nuclear fission to occur what must happen
the uranium must first absorb a neutron and then split into two smaller nuclei releasing energy and several neutrons
does nuclear fission cause a chain reaction
yes
what is released when a atom splits
energy which can be used for nuclear power plants
how does nuclear fission occur
neutron hits the uranium nucleus
uranium nucleus splits into smaller nuclei and some more neutrons
these neutrons hit more uranium nuclei
what do fission neutrons cause
cause further fission causing a chain reaction
what are fission neutrons
are neutrons released during a reaction during a fission event
what are the fissionable isotopes
uranium-235, plutonium-239
what must nuclear power plants contain
fissionable isotopes
when the fission come about
usually comes about as a result of the heavy nucleus being struck by a slow neutron.
whats a disadvantage of nuclear fission in nuclear fission
whats the danger over time in nuclear fission
always highly radioactive. This type of radioactive waste is extremely dangerous and expensive measures
must be taken
The danger is that over time, the containers may leak and cause underground water pollution.
A further danger comes from earthquakes.
whats nuclear fission
is the process by which uranium or plutonium nucleus absorbs a slow neutron and splits to produce two more lighter nuclei and several neutrons, together making alot of energy