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Radioactive Decay

Radioactive Decay. By: Sasha Lindo 1198422 Neon 422-004. Outline 2. Alpha Emission. An alpha emission is when two protons and neutrons from an alpha particle come together and are emitted from the nucleus during a radioactive decay. 210 206 4

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Radioactive Decay

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  1. Radioactive Decay By: Sasha Lindo 1198422 Neon 422-004

  2. Outline 2

  3. Alpha Emission An alpha emission is when two protons and neutrons from an alpha particle come together and are emitted from the nucleus during a radioactive decay. 210 206 4 84Po = 82 Pb + 2 He ( equation is not incorporated to the picture)

  4. Beta Emission When you have a neutron/ proton ratio that is to large, you can convert it into an electron, which is emitted from the nucleus. 1 1 0 0 n = 1 p + -1B ( equation is not incorporated with picture)

  5. Positron Emission When you have a neutron/proton ratio that is under the stability standards, you can emitted a positron. A positron is similar to an electrons mass, but has a positive charge. 38 38 0 19 K = 18Ar + +1B ( equation is no incorporated with picture)

  6. Electron Capture • An electron capture has a neutron/proton ratio. In an electron capture the inner orbital is captured by the nucleus of its own atom. 106 0 106 47 Ag + -1e = 46Pd ( equation not incorporated with picture)

  7. Gamma Emission Gamma emissions support the nuclear shell model. Gamma rays are electromagnetic waves that are emitted from the nucleus to a ground energy state. They don’t have an nuclear equation because they do not affect the numbers. ( picture of the atom in its excited form)

  8. Conclusion • All emission presented in this presentation are types of radioactive decay. A radioactive decay is when a nucleus is turned into a lighter nucleus by taking out particles. All decays can be emitted from the nucleus of an atom.

  9. Bibliography • http://library.thinkquest.org/3471/alpha_decay.gif • http://hyperphysics.phy-astr.gsu.edu/hbase/nuclear/beta.html • http://education.jlab.org/glossary/betadecay.gif • http://search.msn.com/images/results.aspx?q=electron+capture&FORM=MSNH&mkt=en-US#focal=0e0dc41af3c974b2444bf591fb1a6859&furl=http%3A%2F%2Fwww.euronuclear.org%2Fimages%2Felektroneneinfange.jpg • http://search.msn.com/images/results.aspx?q=gamma+emission+&go=Search+Images&form=QBIR#focal=b96cc2acdb02dcac638122fe1ff97f7d&furl=http%3A%2F%2Fwww.euronuclear.org%2Finfo%2Fencyclopedia%2Fimages%2Fang_zue.jpg • http://www.dallassd.com/our%20schools/high%20School/Chemsite/nucleareqns/types3.html

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