Californyo

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Californium
98Cf
Dy

Cf

(Upn)
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
berkeliumcaliforniumeinsteinium
Panagway
silvery
A very small disc of silvery metal, magnified to show its metallic texture
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan californium, Cf, 98
Paglitok /ˌkælˈfɔːrniəm/
[[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
Electron shells of californium (2, 8, 18, 32, 28, 8, 2)
Electron shells of californium (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
Californium has a simple hexagonal crystal structure
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.

Ang mga gi basihan niini[usba | usba ang wikitext]

  1. 1.0 1.1 1.2 1.3 CRC 2006, p. 4.56.
  2. CRC 2006, p. 1.14.
  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.
  5. Emsley 1998, p. 50.
  6. CRC 2006, p. 10.204.
  7. CRC 1991, p. 254.
  8. CRC 2006, p. 11.196.
  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)


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