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Topic: Atomic nucleus


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 Atomic Nucleus Encyclopedia Article @ HotAndCold.com   (Site not responding. Last check: 2007-10-21)
The nucleus of an atom is the very dense region in its center consisting of protons and neutrons.
The size of the nucleus is much smaller than the size of the atom itself, and almost all of the mass in an atom is made up from the protons and neutrons with almost no contribution from the electrons.
In this decay a neutron in the nitrogen nucleus is turned into a proton and an electron by the weak nuclear force.
www.hotandcold.com /encyclopedia/Atomic_nucleus   (2567 words)

  
 Encyclopedia Galactica - Nu to Nz - Human (Anglic) Revised 351st Edition
Also important are safety issues such as dealing with radioactive materials, knowledge of the effects of radiation on biont and vec health, and protocols for handling emergencies; ship design and fusion, fusion pulse, amat, and GUT-drive rocket exaust and safe distance; and the environmental impact of radioactive contaminants.
The study of the physical processes at the scale of the atomic nucleus.
Concerns itself with the structure and behavior of the atomic nucleus according quantum mechanics and particle physics; with practical applications in the working of nuclear reactors, radioactive fission, and fusion burning in the interior of stars.
www.orionsarm.com /eg/n/Nu-Nz.html   (1076 words)

  
 Learn more about Atomic nucleus in the online encyclopedia.   (Site not responding. Last check: 2007-10-21)
Learn more about Atomic nucleus in the online encyclopedia.
Hint: Play with putting spaces before and after your words to see the different results you get.
Ernest_Rutherford and Marsden, however, discovered in 1911 that alpha particles from a radium source were sometimes scattered backwards from a gold foil, which led to the acceptance of a planetary model, in which the electrons orbited a tiny nucleus in the same way that the planets orbit the sun.
www.onlineencyclopedia.org /a/at/atomic_nucleus.html   (755 words)

  
 Atomic nucleus at opensource encyclopedia   (Site not responding. Last check: 2007-10-21)
Nuclei may also be characterized by extreme shapes (like footballs) or by extreme neutron-to-proton ratios.
ca:Nucli atòmic de:Atomkern es:Núcleo atómico fr:Noyau atomique ia:Nucleo atomic nl:Atoomkern ja:原子核 pl:Jądro atomowe sl:atomsko jedro sv:atomkärna
"Atomic nucleus" in world wide web people finder »
www.wiki.tatet.com /Atomic_nucleus.html   (713 words)

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