କାଲିଫର୍ମିଅମ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Californium,  98Cf
A very small disc of silvery metal, magnified to show its metallic texture
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ californium, Cf
Appearance silvery
ଉଚ୍ଚାରଣ /ˌkælɪˈfɔrniəm/
kal-i-for-nee-əm
Californium in the periodic table
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)
Dy

Cf

(Upn)
berkeliumcaliforniumeinsteinium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 98
ଶ୍ରେଣୀ, ବ୍ଳକ group n/a, f-block
ପର୍ଯ୍ୟାୟ period 7
ମୌଳିକ ପ୍ରକାର   actinide
ମାନକ ପରମାଣବିକ ଓଜନ (Ar) (251) [୧]
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Rn] 5f10 7s2 [୨]
per shell
2, 8, 18, 32, 28, 8, 2
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା solid
ଗଳନାଙ୍କ 1173 K ​(900 [୧] °C, ​1652 °F)
ସ୍ଫୁଟନାଙ୍କ 1743[୩] K ​(1470 °C, ​2678 (estimation) °F)
Density near r.t. 15.1[୧] g/cm3
Atomic properties
Oxidation states 2, 3, 4 [୪]
Electronegativity Pauling scale: 1.3 [୫]
Miscellanea
Crystal structure simple hexagonal
Simple hexagonal crystal structure for californium
Mohs hardness 3–4[୬]
CAS Number 7440-71-3 [୧]
ଇତିହାସ
ଆବିଷ୍କାର Lawrence Berkeley National Laboratory (1950)
Most stable 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: [୭][୮]
| references

କାଲିଫର୍ମିଅମ ହେଉଛି ଏକ ତେଜସ୍କ୍ରିୟ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Cfପରମାଣୁ କ୍ରମାଙ୍କ ୯୮ ଅଟେ ।

ଧର୍ମ[ସମ୍ପାଦନା]

ଭୌତିକ[ସମ୍ପାଦନା]

ରସାୟନିକ[ସମ୍ପାଦନା]

ସମସ୍ଥାନିକ[ସମ୍ପାଦନା]

ଇତିହାସ[ସମ୍ପାଦନା]

ଉପସ୍ଥିତି[ସମ୍ପାଦନା]

ଉତ୍ପାଦନ[ସମ୍ପାଦନା]

ବ୍ୟବହାର[ସମ୍ପାଦନା]

ଆହୁରି ଦେଖନ୍ତୁ[ସମ୍ପାଦନା]

ଆଧାର[ସମ୍ପାଦନା]

  1. ୧.୦ ୧.୧ ୧.୨ ୧.୩ 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 1991, p. 254.
  7. CRC 2006, p. 11.196.
  8. NNDC contributors (2008). Sonzogni, Alejandro A. (Database Manager), ed. "Chart of Nuclides". National Nuclear Data Center, Brookhaven National Laboratory. Retrieved 2010-03-01. 

ସହାୟକ ଗ୍ରନ୍ଥ[ସମ୍ପାଦନା]

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