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6568261
Radioactivity
Description
JACKS RADIATION
No tags specified
physics
Mind Map by
Jack Milligan
, updated more than 1 year ago
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Created by
Jack Milligan
about 8 years ago
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Resource summary
Radioactivity
Particles
Alpha
Skin and paper
2 protons twos neutrons
Helium atom without electrons
When alpha gains two electrons it becoems a helium atom and is no longer ionising
Beta
Stopped by aluminium
One electron configuration
High speed electron
Gamma
Most dangerous outside body
Electromagnetic wave
Stopped Lead and concrete
Short wave length
Ionisation
When radiation passes an atom it removes an outer electron, making the target atom an ion
Uses
Radiotherapy
Destroy cancer cells
Tracers
find leaks in underground pipes
track dispersal of waste
Smoke Alarms
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