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8 Cards in this Set
- Front
- Back
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Define nucleons
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protons and neutrons
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Define nuclide
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A nucleus of specific composition
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Define isotope
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An atom having a specific nuclide
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Define radioactivity
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The spon loss of matter or E by materials having unstable atomic isotopes which have unstable nuclides
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Define half life
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A characteristic time t1/2 at which half the material will have decayed to something else. After L half-lives, the remaining mass of original material is mf = mi(1/2)^L
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Define radiotracers
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Radioisotopes used to trace the path of elements, especially in biological processes
- radioactivity can be easily detected in small amounts |
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What is radon?
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A radioactive gas which forms from slowly decaying uranium in soils, and collects in mineshafts, and house basements of western Canada/USA
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How can you control radon?
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- Sealing basement cracks
- Ensuring good airflow - Minimizing your basement time |
