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Atoms and radioactivity

16 May 2012. Atoms and radioactivity. Trinity test film Practice questions on radioactivity Atomic structure unified atomic mass unit radioactivity half life decay series. 11 Physics 7.1, 7.2, 7.3 Radioactivity Tsokos 6.1, 6.2, 6.3. Trinity: 7kg of Pu-239. 84TJ released

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Atoms and radioactivity

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  1. 16 May 2012 Atoms and radioactivity Trinity test film Practice questions on radioactivity Atomic structure unified atomic mass unit radioactivity half life decay series 11 Physics 7.1, 7.2, 7.3 RadioactivityTsokos6.1, 6.2, 6.3

  2. Trinity: 7kg of Pu-239 84TJ released • Were the fission products heavier or lighter than the original plutonium? • What proportion of mass was lost?

  3. Atomic structure

  4. unified atomic mass unit 1u is 1/12 of the mass of a carbon-12 atom (approximately the mass of a proton or neutron) mp = 1.007276u mn = 1.008665u me = 0.0005486u

  5. Radioactivity α-decay β-decay γ decay

  6. Decay series

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