A138052 - OEIS

A138052

Atomic number of the penultimate transition metal (group 11) in the n-th row of the periodic system of elements.

29, 47, 79, 111

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OFFSET

4,1

COMMENTS

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.

LINKS

CROSSREFS

KEYWORD

nonn,fini,full,less

AUTHOR

Paul Curtz, May 02 2008

EXTENSIONS

Edited by R. J. Mathar, May 21 2009

STATUS

approved