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hydrogen-like atom |
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hydrogen-like atom [′hī·drə·jən ‚līk ‚ad·əm] (atomic physics) An atom from which all the electrons except one have been removed. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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More than 40 years ago, experimenters succeeded in coaxing electrons and positrons into a short-lived coexistence as positronium, a hydrogenlike atom with a positron replacing the proton. Consisting of just one electron bound to a highly charged, heavy nucleus, such a hydrogenlike ion serves as a testing ground for theories of atomic structure. |
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