Assertion: californium's number | /r/HasProperty | cf hypernyms
Facets:
Source sentences:
text: A radioactive transuranic element; discovered by bombarding curium with alpha particles Classified under: Nouns denoting substances Synonyms: atomic number 98; californium; Cf Hypernyms ("californium" is a kind of...): metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)