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Atoms and Radiation

Isotopes are atoms with the same number of protons but a different number of neutrons. A good
example of an isotope is carbon 12, carbon 13 and carbon 14. As you can see from the diagram
below, the proton number NEVER changes. This is because the proton…

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For the course, you have to know the properties of each of the three types of radiation, so a quick
way to remember them is using the table below. It covers all the properties you need to know.

Radiation alpha beta gamma
Nature A helium nucleus An electron Electromagnetic wave…


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