Half life | Radioactivity | Physics | FuseSchool
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Half-life of Different Isotopes.wmv
The radioactive isotope 137 Ba has a relatively short half- life and can be easily extract…
Radioactive Isotopes / Half-life
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A radioactive isotope has a half-life of 10 day. If today there are 125 g of left, what was the
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GCSE Physics Revision "Half Life"