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- Xref: sparky sci.misc:1409 sci.physics:11933
- Path: sparky!uunet!mcsun!uknet!newcastle.ac.uk!news
- From: w.p.coyne@newcastle.ac.uk
- Newsgroups: sci.misc,sci.physics
- Subject: Re: Is Positronium an atom?
- Message-ID: <Bs5F5v.3pM@newcastle.ac.uk>
- Date: 29 Jul 92 11:41:54 GMT
- References: <UeRMlBy00UhBQ3IWhw@andrew.cmu.edu>
- Reply-To: w.p.coyne@newcastle.ac.uk
- Organization: Chemical & Process Engineering Dept, University of Newcastle, UK.
- Lines: 21
- Nntp-Posting-Host: poros
-
- pk03+@andrew.cmu.edu (Paul Karol) writes:
-
- >Are there other such misfits that don't get placed on the Periodic
- >Table? Plenty. An anti-atom won't be there, such as an
- >antiproton+antielectron=antihydrogen atom. There are also muonium
- >'atoms' with a (positive) muon and an electron, and other combinations
- >as well. The Periodic Table (in any of its hundred odd forms) is
- >supposed to be a visual guide to chemical (electronic) behavior. These
- >exotic species have chemical behavior that's interesting, but scientists
- >working with them don't need a table of all the usual elements to remind
- >them of how it all fits together. And the usual readers of the Periodic
- >Table are rarely interested in atoms outside the conventional collection.
-
- They could at least include a footnote of some type. The result of not
- doing so, is generations(?) of chemistry students (school chem. not university
- level chem) go away thinking atoms
- are the units of the elements listed in the Periodic Table.
-
- >Paul J. Karol
- >Nuclear Chemist
- >(and occassional positronium user)
-