Nuclear Radiation

Nuclear Radiation - Nuclear Radiation Natural Radioactivity...

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Nuclear Radiation Natural Radioactivity Nuclear Equations Producing Radioactive Isotopes Half-Life Nuclear Fission and Fusion
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2 Subatomic Particles Protons- plus charge In the nucleus Neutrons- neutral Electrons - negative charge Outside the nucleus
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3 Radiation Radiation comes from the nucleus of an atom. Unstable nucleus emits a particle or energy α alpha β beta γ gamma
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4 Alpha Particle Same as a helium nucleus (He) 4 2 He or α Two protons Two neutrons
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5 Beta Particle β An electron emitted from the nucleus 0 e or β - 1 A neutron in the nucleus breaks down 1 1 0 n H + e 0 1 -1
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6 Gamma γ Radiation Pure radiation Like an X-ray but comes from the nucleus
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7 Radiation Protection Shielding alpha – paper, clothing beta – lab coat, gloves gamma- lead, thick concrete Limit time exposed Keep distance from source
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8 Radiation Protection
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9 Balancing Nuclear Equations In the reactants and products Atomic numbers must balance and Mass numbers must balance
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10 Alpha decay
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11 Beta decay 234 Th 234 Pa + 0 e 90 91 - 1 beta particle
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This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

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Nuclear Radiation - Nuclear Radiation Natural Radioactivity...

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