The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 119
... nuclei . If a large nucleus is split into parts that are still larger than iron nuclei , nucleons in the two new nuclei will have less mass than they had in the heavier one ; the fission of a heavy nucleus therefore releases energy ...
... nuclei . If a large nucleus is split into parts that are still larger than iron nuclei , nucleons in the two new nuclei will have less mass than they had in the heavier one ; the fission of a heavy nucleus therefore releases energy ...
Page 120
... nuclei with odd mass numbers ; open circles , even mass numbers ; open squares , nuclei that can be reduced to helium nuclei ( alpha particles ) . Broken lines join isotopes of given elements ; upper solid line at left joins alpha ...
... nuclei with odd mass numbers ; open circles , even mass numbers ; open squares , nuclei that can be reduced to helium nuclei ( alpha particles ) . Broken lines join isotopes of given elements ; upper solid line at left joins alpha ...
Page 121
... nuclei can fuse to form carbon . This reaction takes place in the following way : two helium nuclei combine to form an unstable isotope of beryllium , which has an extremely short life ; rarely , a third helium nucleus can be added to ...
... nuclei can fuse to form carbon . This reaction takes place in the following way : two helium nuclei combine to form an unstable isotope of beryllium , which has an extremely short life ; rarely , a third helium nucleus can be added to ...
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