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Mass num = pro + neu
Atomic num = pro/elec
2.8.8
Work out the structure for Fluorine, Oxygen, Magnesium, Uranium
19 16 24 238
9 8 12 92…read more

Slide 3

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Work out the number of neutrons
and protons in the following
3 isotopes of Lithium
This changes the structure of Nucleus
and could make it UNSTABLE.
This will be a radioisotope…read more

Slide 4

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A unstable nucleus will emit radiation
until it becomes stable
http://www.northallertoncoll.org.uk/science/Additional%
20Physics/Nuclear/Nuclear/Radioactivity/danger.htm
This is where radiation knocks off an
electron. This can lead to mutation.
Which type of radiation is the most
ionising?
Videos to show comparison
http://www.bbc.co.uk/learningzone/clips/a-comparison-of-alpha-beta-and-gamma/10680.html
http://www.bbc.co.uk/learningzone/clips/alpha-beta-and-gamma-radiation/10679.html
Click here to find out more
http://www.northallertoncoll.org.
uk/science/Additional%
20Physics/Nuclear/Nuclear/Radioactivit
y/types.htm
http://www.bbc.co.uk/learningzone/clips/alpha-beta-and-gamma-radiation-pt-1-2/4561.…read more

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This is the time it takes for half of the material to decay. It is completely random
and unaffected by temperature or pressure.
http://www.bbc.co.uk/learningzone/clips/radioactive-decay-and-half-life/4564.
html
Click on link below and answer the questions
http://www.northallertoncoll.org.uk/science/Additional%20Physics/Nuclear/Nuclear/Radioactivity/quiz2nojava.…read more

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Due to properties and half life of isotopes they are used for many useful purposes
Video to show medical use
http://www.bbc.co.uk/learningzone/clips/radiation-in-medicine/4563.
html
Click here to see how it is used
http://www.northallertoncoll.org.uk/science/Additional%20Physics/Nuclear/Nuclear/Radioactivity/uses.…read more

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