The situation is approximately same as in case of atom of many electrons and low orbital
energy,I guess. The whiter the picture, the greater the probability to find
an electron there.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                18433   30964  59.5% -lh5- b162 Oct 28  2000 atom2.iff
[generic]                21180   34386  61.6% -lh5- 8d98 Oct 28  2000 atom32.iff
[generic]                19438   31680  61.4% -lh5- 5a03 Oct 28  2000 atom382.iff
[generic]                20592   32976  62.4% -lh5- bbd0 Oct 28  2000 atomi.iff
[generic]                  208     340  61.2% -lh5- 2071 Jan  5  1980 atom.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         5 files   79851  130346  61.3%            Mar 10  2001