The Periodic Table
Display the joys of chemistry for all to see on your Dashboard!
Here are the installation instructions as written by Apple:
Mac OS X 10.4 Tiger is required. If you're using Safari, click the download link. When the widget download is complete, show Dashboard, click the Plus sign to display the Widget Bar, and click the widget's icon in the Widget Bar to open it. If you're using a browser other than Safari, click the download link. When the widget download is complete, unarchive it and place it in /Library/Widgets/ in your home folder. Show Dashboard, click the Plus sign to display the Widget Bar, and click the widget's icon in the Widget Bar to open it.
Here it is:
The Periodic Table(version 1.5: ~80KB)
The Bigger Periodic Table(version 1.0: ~108KB)
For those who prefer their periodic tables in German, here is a translation of version 1.4.2 courtesy of Andreas Häne:
Das Periodensystem(version 1.4.2: ~93KB)
Note that the atomic masses are those accepted by IUPAC. The other properties were obtained primarily from wikipedia and from other web sources (such as a periodic table web resource at MIT) when the wikipedia info. was insufficient or questionable. There appear to be conflicting values for properties such as Atomic Radius, so be aware that these other properties don't have the IUPAC stamp on them.
I hope you enjoy the widget.