The Atomic Nucleus and Radioactivity

The Atomic Nucleus and Radioactivity 16.2 Radioactivity Elements with unstable molecules ar radioactive. The break down of the atomic nucleus. 16.2 Alpha, Beta, and da Gamma RaysAlpha: irrefutable (+2), Large mass Beta: Electrons ejected from nucleus and confine a single negative charge.Gamma: High frequence electromagnetic radiation syndrome . It is pure qualification, made of protons. 16.3 Environmental Radiation spark give source of natural radiation is Radon-222. 1/5 comes from in the main medical procedures. 10,000 tons of radioactive waste to each one year, worldwide. A. Units A. measured in Rads (radiation absorbed process) 1 rad = .01 watt second absorbed per kilogram of tissue The type radiation not the dose size determines the risk of infection. Radiation dosage of potential danger rem (roentgen equal man). B. Doses B. Doses: Leth al doses of radiation begin at 500 rems. Exposeure in mrem 1/1000th of a rem. organisation cells are not renewable. Mutated cells can deal to cancer. C. Tracers: C. Tracers: Radioactive isotopes apply To trace pathways.

16.5 Radioactive Half-lifeThe rate of decay for a radioactive isotope is Measured in terms of a characteristic time, The half lifeHalf-life not affected by outside conditions. 16.7 Radiometric DatingKnown as carbon dating Carbon-14 has 8 neutrons radioactive: Carbon-12 has 6 neutrons non-radioactive 16.8 nuclear FissionElongating electrical forces to have the best st rong nuclear forces causing the nucleus to ! split. A bowed stringed instrument reply is a self-sustaining reaction in which the products of one reaction take a crap future reaction. E=Mc2 Mass is congealed energyIf you wishing to get a full essay, order it on our website: BestEssayCheap.com

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