This is the English version of my turbocalc sheet "radii"
You enter the name of the element, it`s atomic mass in AMU,
and the density in kg/m³ in their proper columns, so you get
the diameter of an atom in their column.

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
---------- ----------- ------- ------- ------ ---------- ------------ ----------
[generic]                 1020    3348  30.5% -lh5- 3218 Oct 28  2000 radii2.tcd
[generic]                  241     404  59.7% -lh5- 6974 Oct 28  2000 radii2.readme
---------- ----------- ------- ------- ------ ---------- ------------ ----------
 Total         2 files    1261    3752  33.6%            Jul 28  2002