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- Proton (5009 bytes)
54: ...and indeed any gravitationally aggregated matter (planets, stars, etc.).
59: ...rogen nuclei. Rutherford determined that the only place this hydrogen could have come from was the nit...
61: == Technological applications ==
62: ...opy]]. In NMR spectroscopy, a magnetic field is applied to a substance in order to detect the shieldin...
66: ...t was discovered in the year [[1955]] by [[Emilio Segre]] and [[Owen Chamberlain]], for which they were a... - Technetium (32113 bytes)
187: ...oactive [[metal]] with an appearance similar to [[platinum]]. However, it is commonly obtained as a gr...
191: ...chnetium as a Material for AC Superconductivity Applications''}}
193: == Applications ==
195: ...clopedia of the Chemical Elements'', page 693, "Applications", paragraph 3 and ''Guide to the Elements...
199: ...clopedia of the Chemical Elements'', page 693, "Applications", paragraph 3 }}
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