go over tests notes on nuclear nuclear video hw: final review due monday
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Agenda. AQOD. Go over Tests Notes on Nuclear Nuclear Video HW: Final Review due Monday. What is a nuclear reaction?. Nuclear Chemistry. What particles are involved in a Chemical Reaction ?. Valence Electrons. What particles are involved in a nuclear reaction?. - PowerPoint PPT PresentationTRANSCRIPT
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Go over Tests Notes on Nuclear Nuclear Video HW: Final Review
due Monday
What is a nuclear reaction?
Agenda AQOD
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NUCLEAR CHEMISTRY
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What particles are involved in a Chemical Reaction?
Valence Electrons
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What particles are involved in a nuclear reaction?
Particles from the nucleus
aka – nuclear radiation
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How is a Nuclear Reaction different from a Chemical Reaction?Chemical reactions involve transferring or sharing electrons.
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How is a Nuclear Reaction different from a Chemical Reaction?Nuclear reactions involve changes in the nucleus of an atom.
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What is Nuclear Radiation?
Particles & energy emitted from the nucleus of a radioactive element.
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What is an isotope?
A form of an element with a different number of neutrons
Many elements have radioactive isotopes
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3 Types of Radiation
1. Alpha radiation Consists of (alpha particles)
that have been emitted from a radioactive source.
Each alpha particle has 2 protons and 2 neutrons
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Alpha particle emission
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3 Types of Radiation
1. Alpha radiation (cont.) Easily stopped by paper or your
skin
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3 Types of Radiation
2. Beta radiation Consists of fast moving
electrons (beta particles)
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Beta particle emission
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3 Types of Radiation
2. Beta radiation (cont.) Stopped by aluminum foil
or thin pieces of wood.
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3 Types of Radiation
3. Gamma Radiation Consists of high energy
electromagnetic radiation with no mass or charge
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3 Types of Radiation
3. Gamma Radiation (cont.) Both easily pass through paper,
wood, and the human body. Can be stopped by several
meters of concrete or several centimeters of lead.
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Summary of Nuclear Radiation
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Penetrating Power