californium
chemical element with symbol Cf and atomic number 98
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Summary
californium is a chemical element[1]. californium draws 5,798 Wikipedia views per month (chemical element category, ranking #81 of 144).[2]
Key Facts
- Discoverer or inventor: Stanley Gerald Thompson[3], Kenneth Street Jr.[4], Albert Ghiorso[5], Glenn T. Seaborg[6]
- Instance of: synthetic element[7]
- Named after: California[8]
- Location of discovery: University of California, Berkeley[9]
- Canonical SMILES: [Cf][10]
- Element symbol: Cf[11]
- Chemical formula: Cf[12]
- Subclass of: actinide[13], heavy metal[14], f-block[15]
- Part of: period 7[16], actinide[17]
- Commons category: Californium[18]
- Unicode character: 鉲[19]
- Crystal system: hexagonal crystal system[20]
- Time of discovery or invention: January 1, 1950[21]
- IPA transcription: ˌkæləˈfɔːrniəm[22]
- Topic's main category: Category:Californium[23]
- Atomic number: 98[24]
- Electronegativity: 1.3[25]
- Oxidation state: 2[26], 3[27], 4[28], 5[29]
- Described by source: Armenian Soviet Encyclopedia, vol. 5[30]
- Topic has template: Template:Infobox californium[31]
- Density: 15.1[32]
- Mass: 251.0795886[33]
- Melting point: 1173[34]
- Boiling point: 1743.0[35]
- Ionization energy: 6.281878[36]
Why It Matters
californium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[37] californium is known by 43 alternative names across languages and contexts.[38]