A080916 Number of electrons in outermost electron subshell in chemical element number n.

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

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