• Thumbnail for Californium
    Californium is a synthetic chemical element; it has symbol Cf and atomic number 98. It was first synthesized in 1950 at Lawrence Berkeley National Laboratory...
    44 KB (4,631 words) - 23:46, 21 August 2024
  • Californium (98Cf) is an artificial element, and thus a standard atomic weight cannot be given. Like all artificial elements, it has no stable isotopes...
    12 KB (1,005 words) - 23:23, 12 October 2024
  • Thumbnail for Berkelium
    berkelium-249 isotope emits low-energy electrons and thus is relatively safe to handle. It decays with a half-life of 330 days to californium-249, which...
    61 KB (7,479 words) - 15:54, 31 August 2024
  • Thumbnail for Einsteinium
    its properties is difficult due to 253Es's decay to berkelium-249 and then californium-249 at a rate of about 3% per day. The longest-lived isotope of einsteinium...
    67 KB (7,944 words) - 14:43, 4 November 2024
  • 2002 and two more in 2005) produced via collisions of californium-249 atoms and calcium-48 ions. 249 98Cf + 48 20Ca → 294 118Og + 3 n . In 2011, IUPAC evaluated...
    64 KB (10,477 words) - 07:31, 3 November 2024
  • halides, including californium(III) fluoride (CfF3), californium(III) chloride, and californium(III) iodide (CfI3), the californium atom has an oxidation...
    3 KB (329 words) - 21:28, 24 August 2024
  • bombarding curium-248 or californium-249 with carbon-12: the latter method is more common. Irradiating a 350 μg cm−2 target of californium-249 with three trillion...
    39 KB (8,175 words) - 12:36, 24 October 2024
  • Thumbnail for Critical mass
    berkelium-247 1380 75.7 11.8-12.2 berkelium-249 0.9 192 16.1-16.6 californium-249 351 6 9 californium-251 900 5.46 8.5 californium-252 2.6 2.73 6.9 einsteinium-254...
    20 KB (3,053 words) - 17:03, 2 November 2024
  • for element 106 using oxygen-18 projectiles and the previously used californium-249 target was conducted. Several 9.1 MeV alpha decays were reported and...
    42 KB (7,739 words) - 15:15, 3 November 2024
  • most asymmetric reaction available. Moreover, as berkelium-249 decays to californium-249 (the next element) with a short half-life of 327 days, this...
    47 KB (8,368 words) - 08:16, 11 November 2024