gperiodic is a small X/GTK+-based program which allows you to
browse through a periodic table of chemical elements, and view
somewhat detailed information on each of the elements.
118 elements are currently listed.
Zero options will start gperiodic.
Show the help screen.
Color the elements according to their phase at temperature <Temp> in Kelvins.
Dump the periodic table.
element_symbol | atomic_number
Display information on the element with the given element symbol or atomic number.
The output is UTF-8 encoded (see Debian bug #466231).