Royal Society of Chemistry
Royal Society of Chemistry: Californium
Very nice site with some of the most current information available on californium. Very well organized and easy to follow.
TED Talks
Ted: Ted Ed: Californium: Periodic Table of Videos
The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Californium is element number 98 and was named after the state where it was first made. [0:46]
Other
Bonestamp: Californium Discovery
A biography of Stanley Thomson, one of the principal, but lesser known discoverreres of californium and other treansuranium elements. Quite interesting.
Web Elements
Web Elements Periodic Table: Californium
Basic information and the electron arrangement of this synthetic element.
University of Kentucky
Chem Comics: Californium
A comic page from 1964 that features californium as one of several elements for which no practical uses were then known.
Chemicool
Chemicool Periodic Table: Cf98 Californium
This site from the Chemicool Periodic Table provides a short summary table of some of the properties of californium. Content includes information on this element's state, energy, oxidation & electrons, appearance &...