# Chapter 18- Ionising Radiation and Risk

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• Created by: ellenros3
• Created on: 08-05-14 14:25
The number of joules absorbed per kg of tissue
GRAYS
1 of 22
A particle with 2 Protons and 2 Nuetrons and 0 electrons
ALPHA
2 of 22
Consequence x probability =
RISK
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The process a Hydrogen atom takes to become a Helium atom
FUSION
4 of 22
The missing mass is due to
BINDING ENERGY
5 of 22
The most stable element
IRON
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The 'E' in E=mc^2
ENERGY
7 of 22
Food they eat, the air you breathe are all radiation of what source
NATURAL BACKGROUND
8 of 22
The highest quality factor is for which radiation type
ALPHA
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Uranium breaking into two smaller atoms is called
FISSION
10 of 22
Fission releases how many MeVs of energy
ZERO POINT NINE
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If there is too many chain reactions the atom probably has ____ mass
SUPERCRITICAL
12 of 22
The ratio between Volume and surface area increase with..
SIZE
13 of 22
What creates more energy FUSION or FISSION
FUSION
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Sub-critical mass makes chains
DIE OUT
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Control Rods in power stations are made from
BORON
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The reactors biological shield
CONTAINMENT BUILDING
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To compare Binding Energies look at them
PER NUCLEON
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The unit of dose equivalent
SIEVERT
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Change of a proton to a neutron is done by what sort of decay
BETA PLUS
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Slow or fast nuetrons are more efficiently absorbed by Uranium
SLOW
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Where is fusion most common
STARS
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## Other cards in this set

### Card 2

#### Front

A particle with 2 Protons and 2 Nuetrons and 0 electrons

ALPHA

### Card 3

#### Front

Consequence x probability =

### Card 4

#### Front

The process a Hydrogen atom takes to become a Helium atom

### Card 5

#### Front

The missing mass is due to