Nuclear radiation

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what is radiation?
taking energy from one place to another
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What is alpha radiation ?
nucleus of a helium atom
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What is the charge of alpha radiation?
+2
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What does the unstable nucleus of alpha radiation release ?
helium nucleus - 2 protons , 2 neutrons
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What is beta radiation ?
a electron with fast moving high energy
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What is the charge of Beta radiation?
-1
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What happens to the unstable nucleus in beta radiation?
unstable nucleus = new nucleus + beta particle
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What is gamma radiation?
a high frequency , short wavelength , electromagnetic wave
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What is the charge of gamma ?
it does not have a charge
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What happens to the unstable nucleus of gamma ?
unstable nucleus = new nucleus + gamma radiation
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What is ionising radiation?
when radiation collides with neutral atoms or molecules it alters their structure by knocking off electrons
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What will ionising radiation leave behind ?
ions
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If ionising radiation is eaten what disease can it cause?
Cancer
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What can't gamma pass through ?
paper
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What can't Beta pass through?
aluminium
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What can't alpha pass through?
lead or concrete
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Other cards in this set

Card 2

Front

What is alpha radiation ?

Back

nucleus of a helium atom

Card 3

Front

What is the charge of alpha radiation?

Back

Preview of the front of card 3

Card 4

Front

What does the unstable nucleus of alpha radiation release ?

Back

Preview of the front of card 4

Card 5

Front

What is beta radiation ?

Back

Preview of the front of card 5
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