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Radioactivity: Nuclear radiation - Coggle Diagram
Radioactivity: Nuclear radiation
Alpha
ionising radiation
2 neutrons and 2 protons (same as a helium nucleus)
range in a few cm of air
smoke alarms
alpha particles sit between two charged plates
no current flows if there is smoke
Gamma
Electromagnetic radiation
Irradiation
objext us exposed to radiation without becoming radioactive
Beta
highly ionising
h9igh speed electron
emitted when a neutron turns into a proton in the nucleus
thickness detectors
beta oarticles passed through paper
machine stopped if paper is too thick
nuclear rearrangement
after nuclear decay, gamma radiation may be given off