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Californium
98Cf
Dy ↑ Cf ↓ (Upn) Periodic table berkelium ← californium → einsteinium
Panagway
silvery
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	californium, Cf, 98
Paglitok	/ˌkælᵻˈfɔːrniəm/ [[Help:Pronunciation respelling key|Plantilya:Smallcaps all-i-Plantilya:Smallcaps all-nee-əm]]
Kategoriyang elemento	aktinido
Group, period, block	[[group {{{group}}} element|{{{group}}}]], 7, f
Gibug-aton sa atomo	(251) [1]
Kontorno sa elektron	[Rn] 5f10 7s2 [2] 2, 8, 18, 32, 28, 8, 2
History
Pagkadiskobre	Lawrence Berkeley National Laboratory (1950)
Physical properties
Phase	magahi
Density (near r.t.)	15.1[1] g·cm−3
Melting point	1173 K, 900 [1] °C, 1652 °F
Boiling point	1743[3] K, 1470 °C, 2678 (estimation) °F
Atomic properties
Oxidation states	2, 3, 4 [4]
Electronegativity	1.3 [5] (Pauling scale)
Ionization energies	1st: 608 [6] kJ·mol−1
Miscellanea
Crystal structure	simple hexagonal
Mohs hardness	3–4[7]
CAS registry number	7440-71-3 [1]
Most stable isotopes
Main article: Isotopes of californium
iso NA half-life DM DE (MeV) DP 248Cf syn 333.5 d α (100%) 6.369 244Cm SF (2.9×10−3%) 0.0029 – 249Cf trace 351 y α (100%) 6.295 245Cm SF (5.0×10−7%) 4.4×10−7 – 250Cf trace 13.08 y α (99.92%) 6.129 246Cm SF (0.08%) 0.077 – 251Cf trace 898 y α 6.172 247Cm 252Cf trace 2.645 y α (96.91%) 6.217 248Cm SF (3.09%) – – 253Cf trace 17.81 d β− (99.69%) 0.29 253Es α (0.31%) 6.126 249Cm 254Cf syn 60.5 d SF (99.69%) – – α (0.31%) 5.930 250Cm Isotope references: [8][9]
· r

Ang californyo (Iningles californium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Cf ug kaiphan nga atomik 98. Ang californyo mao ang aktinido.

1. ↑ ^{1.0 1.1 1.2 1.3} CRC 2006, p. 4.56. sfn error: no target: CITEREFCRC2006 (help)
2. ↑ CRC 2006, p. 1.14. sfn error: no target: CITEREFCRC2006 (help)
3. ↑ Joseph Jacob Katz; Glenn Theodore Seaborg; Lester R. Morss (1986). The Chemistry of the actinide elements. Chapman and Hall. p. 1038. ISBN 9780412273704. Retrieved 11 July 2011.
4. ↑ Greenwood 1997, p. 1265. sfn error: no target: CITEREFGreenwood1997 (help)
5. ↑ Emsley 1998, p. 50. sfn error: no target: CITEREFEmsley1998 (help)
6. ↑ CRC 2006, p. 10.204. sfn error: no target: CITEREFCRC2006 (help)
7. ↑ CRC 1991, p. 254. sfn error: no target: CITEREFCRC1991 (help)
8. ↑ CRC 2006, p. 11.196. sfn error: no target: CITEREFCRC2006 (help)
9. ↑ NNDC contributors (2008). Sonzogni, Alejandro A. (Database Manager) (ed.). "Chart of Nuclides". National Nuclear Data Center, Brookhaven National Laboratory. Retrieved 2010-03-01. {{cite web}}: |author= has generic name (help)