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Search: id:A138052
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| A138052 |
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Atomic number of the penultimate transition metal (group 11) in the n-th row of the periodic system of elements. |
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+0
4
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OFFSET
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4,1
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COMMENT
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This refers to Cu=29, Ar=47, Au=79, and Rg=111.
The first differences are 18, 18, 32, indicating that there is a row of Lanthanides between Au and Rg.
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LINKS
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Anonymous, Periodic Table, Wikipedia.
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CROSSREFS
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Cf. A134984, A138724, A137575, A137846, A138040.
Sequence in context: A104912 A104913 A102852 this_sequence A119891 A106754 A063642
Adjacent sequences: A138049 A138050 A138051 this_sequence A138053 A138054 A138055
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KEYWORD
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nonn,fini,full,less
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), May 02 2008
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EXTENSIONS
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Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 21 2009
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