alpha, beta and gamma radiation
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21 Terms
1
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alpha - type of particle
helium nucleus
2
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alpha - relative mass
4
3
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alpha - relative charge
+2
4
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alpha - ionising ability
strong
5
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alpha - penetrating power
weak
6
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alpha - range in air
5-8cm
7
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alpha - absorbed by…
a few mm of paper
8
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beta - type of particle
a fast moving electron
9
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beta - relative mass
1/2000
10
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beta - relative charge
-1
11
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beta - ionising ability
medium
12
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beta - penetrating power
medium
13
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beta - range in air
500-1000cm
14
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beta - absorbed by…
a few mm of aluminium
15
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gamma - type of particle
electromagnetic wave
16
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gamma - relative mass
0
17
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gamma - relative charge
no charge
18
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gamma - ionising ability
weak
19
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gamma - penetrating power
strong
20
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gamma - range in air
infinite
21
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gamma - absorbed by…
several cm of lead, a few m of concrete