Mind map
purple pen revision
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purple pen revision
the approximate size of a helium atom is 1x10-10
a reason why all atoms have a total of zero charge is because number of electron= number of protons
atoms of diffrent beryllium isotopes will have diffrent number of nuetrons
the sutructure of an atom to change ito an ion will lose or gain electrons
alpha has the shortest range in air
gamma is very weakly ionising
beta will pass through paper but is stopped by thin metal
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- Mind Map on purple pen revision, created by Macy Bevan on 18/01/2019.
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- Macy Bevan · Jan 2019
- Updated
- Jan 18, 2019
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