Assertion: berkelium's number | /r/HasProperty | berkelium
Facets:
Source sentences:
text: A radioactive transuranic element; discovered by bombarding americium with helium Classified under: Nouns denoting substances Synonyms: atomic number 97; berkelium; Bk Hypernyms ("berkelium" 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.)