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A080916 Number of electrons in outermost electron subshell in chemical element number n. 1
1, 2, 1, 2, 1, 2, 3, 4, 5, 6, 1, 2, 1, 2, 3, 4, 5, 6, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 1, 2, 3, 4, 5, 6, 1, 2, 2, 2, 1, 1, 2, 1, 1, 10, 1, 2, 1, 2, 3, 4, 5, 6, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 3, 4, 5, 6, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..97.

C. Heilman, The Pictorial Periodic Table

E. F. Schubert, Periodic System of Elements

EXAMPLE

Example: element 46Pd has ten electrons in its 4f-shell, none in its 5s-shell.

CROSSREFS

Cf. A080915.

Sequence in context: A097454 A139803 A058746 * A071622 A182063 A135990

Adjacent sequences:  A080913 A080914 A080915 * A080917 A080918 A080919

KEYWORD

nonn

AUTHOR

Ralf Stephan, Feb 23 2003

STATUS

approved

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Last modified May 28 17:37 EDT 2020. Contains 334684 sequences. (Running on oeis4.)