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  6. [materials by composition]
  7. inorganic material
  8. metal
  9. [metal by composition or origin]
  10. nonferrous metal
  11. californium
Scope note
Artificially produced, radioactive metallic chemical element with symbol Cf and 98 as atomic number. Californium has a few specialized uses as in neutron activation analysis of metals in ancient coins, and in airport security full body scanning.
Accepted term: 15-Jul-2024