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We have a 2 gram sample of a radioactive sample. How much would remain radioactive after 2 half lives?
0.5 g
Used to make atomic bombs
fusion and fission
Most of the world's electricity is made using fossil fuels as an energy source. In what way is nuclear fission a better alternative to fossil fuels?
Less air pollution, provides clean energy and is reliable and cost effective
Produces a nucleus with higher atomic number but same mass number
Beta
Produces a larger atomic number
fusion
Releases more energy than the other
fusion
Used in nuclear power plants
fission
Produces radioactive waste
fission
Takes place inside the sun
fusion
Can be used in medical treatment ( there are 2)
beta and gamma
Can be stopped by a sheet of paper
alpha
Can be stopped by a sheet of metal
beta
Made of high energy waves
gamma
Created when a neutron breaks into a proton and an electron: proton stays in nucleus
beta
made up of 2 protons and 2 neutrons
alpha
Must be stopped by thick concrete or lead
gamma
What is the name of the process in which two small nuclei are joined to produce one larger nucleus and lots of energy?
fusion
the time required for the amount of radioactivity to decrease by one half
half life
not normal
irregular
to put forth and idea for consideration
propose
Data that is in numbers or measurements
quantitative
Data in the form of recorded descriptions rather than numerical measurements.
qualitative
focus of a study
scope
an organized method of doing something
system
to put into a different language or form
translate