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

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

Table of n, a(n) for n=4..7.

Wikipedia, Periodic table

Crossrefs

Cf. A134984, A138724, A137575, A137846, A138040.

Sequence in context: A225303 A344466 A102852 * A119891 A106754 A222413

Adjacent sequences: A138049 A138050 A138051 * A138053 A138054 A138055

Keyword

nonn,fini,full,less

Author

Paul Curtz, May 02 2008

Extensions

Edited by R. J. Mathar, May 21 2009

Status

approved