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{{other|Cf (disambiguasi)}}
{{Elementbox_header | number=98 | symbol=Cf | name=californium | left=[[berkelium]] | right=[[einsteinium]] | above=[[dysprosium|Dy]] | below=(Uqo) | color1=#ff99cc | color2=black }}
{{Kotak info kalifornium}}
{{Elementbox_series | [[actinide]]s }}
'''Kalifornium''' ({{pronEng|ˌkæl<s>ɪ</s>ˈforniəm}}) adalah [[unsur kimia]] dalam [[sistem periodik unsur]] yang memiliki lambang '''Cf''' dan [[nomor atom]] 98. Atom ini dinamakan berdasarkan universitas dan negara bagian Kalifornia. Kalifornium adalah senyawa paling mahal ke-7 di dunia, dengan harga 27 juta dolar Amerika per Gram.<ref>{{Citation|title=Why Does Californium-252 Cost $27 Million Per Gram|url=https://medium.com/illumination/why-does-californium-252-cost-27-million-per-gram-91526225287|accessdate=2023-06-24|language=id-ID}}</ref>
{{Elementbox_periodblock | period=7 | block=f }}

{{Elementbox_appearance | silvery }}
== Kegunaan ==
{{Elementbox_atomicmass_gpm | [[1 E-25 kg|(251)]] }}
Kalifornium bisa digunakan untuk terapi [[kanker]].<ref>{{Cite web|url=https://www.mastah.org/kalifornium-californium-cf-penjelasan-ciri-sifat-dan-fungsi-kegunaan/|title=Kalifornium {{!}} Californium (Cf) : Penjelasan, Ciri Sifat dan Kegunaan|date=2017-11-30|website=MASTAH|language=en-US|access-date=2020-01-24}}</ref> Elemen ini adalah sumber neutron yang efisien. Karena itu banyak potensi kegunaan baru untuk elemen ini.
{{Elementbox_econfig | &#91;[[radon|Rn]]&#93; 5f<sup>10</sup> 7s<sup>2</sup> }}

{{Elementbox_epershell | 2, 8, 18, 32, 28, 8, 2 }}
== Referensi ==
{{Elementbox_section_physicalprop | color1=#ff99cc | color2=black }}
{{reflist}}
{{Elementbox_phase | [[solid]] }}

{{Elementbox_density_gpcm3nrt | 15.1 }}
== Bacaan ==
{{Elementbox_meltingpoint | k=1173 | c=900 | f=1652 }}
<!--NOTE only add URLs to places where at least some preview of the book is available -->
{{Elementbox_section_atomicprop | color1=#ff99cc | color2=black }}
* {{cite book
{{Elementbox_oxistates | 2, '''3''', 4 }}
|last = Cotton|first = F. Albert
{{Elementbox_electroneg_pauling | 1.3 }}
|coauthors = Wilkinson, Geoffrey; Murillo, Carlos A.; Bochmann, Manfred
{{Elementbox_ionizationenergies1 | 608 }}
|title = Advanced Inorganic Chemistry
{{Elementbox_section_miscellaneous | color1=#ff99cc | color2=black }}
|url = https://archive.org/details/advancedinorgani0000unse|edition = 6th
{{Elementbox_cas_number | 7440-71-3 }}
|year = 1999
{{Elementbox_isotopes_begin | color1=#ff99cc | color2=black }}
|publisher = John Wiley & Sons
{{Elementbox_isotopes_decay2 | mn=248 | sym=Cf
|isbn = 978-0-471-19957-1
| na=[[synthetic radioisotope|syn]] | hl=[[1 E7 s|333.5 d]]
|chapter =
| dm1=[[spontaneous fission|SF]] | de1=- | pn1= | ps1=-
|pages =
| dm2=[[alpha emission|α]] | de2=6.361 | pn2=244 | ps2=[[curium|Cm]] }}
|ref = harv
{{Elementbox_isotopes_decay2 | mn=249 | sym=Cf
}}
| na=[[synthetic radioisotope|syn]] | hl=[[1 E10 s|351 y]]
* {{cite book
| dm1=SF | de1=- | pn1= | ps1=-
|author = CRC contributors
| dm2=α | de2=6.295 | pn2=245 | ps2=[[curium|Cm]] }}
|title = Handbook of Metal Etchants
{{Elementbox_isotopes_decay2 | mn=250 | sym=Cf
|editor1-first = Perrin|editor1-last = Walker
| na=[[synthetic radioisotope|syn]] | hl=[[1 E8 s|13.08 y]]
|editor2-first = William H.|editor2-last = Tarn
| dm1=α | de1=6.128 | pn1=246 | ps1=[[curium|Cm]]
|edition =
| dm2=SF | de2=- | pn2= | ps2=- }}
|year = 1991
{{Elementbox_isotopes_decay | mn=251 | sym=Cf
|publisher = CRC Press
| na=[[synthetic radioisotope|syn]] | hl=898 [[year|y]]
|isbn = 978-0-8493-3623-2
| dm=α | de=6.176 | pn=247 | ps=[[curium|Cm]] }}
|ref = {{sfnRef|CRC|1991}}
{{Elementbox_isotopes_decay2 | mn=252 | sym=Cf
}}
| na=[[synthetic radioisotope|syn]] | hl=2.645 y
* {{cite book
| dm1=α | de1=6.217 | pn1=248 | ps1=[[curium|Cm]]
|author = CRC contributors
| dm2=SF | de2=- | pn2= | ps2=- }}
|title = Handbook of Chemistry and Physics
{{Elementbox_isotopes_decay2 | mn=253 | sym=Cf
|editor-first = David R.|editor-last = Lide
| na=[[synthetic radioisotope|syn]] | hl=[[1 E6 s|17.81 d]]
|edition = 87th
| dm1=[[beta emission|β<sup>-</sup>]] | de1=0.285 | pn1=253 | ps1=[[einsteinium|Es]]
|year = 2006
| dm2=α | de2=6.124 | pn2=249 | ps2=[[curium|Cm]] }}
|publisher = CRC Press, Taylor & Francis Group
{{Elementbox_isotopes_decay2 | mn=254 | sym=Cf
|isbn = 978-0-8493-0487-3
| na=[[synthetic radioisotope|syn]] | hl=[[1 E s|60.5 d]]
|ref = {{sfnRef|CRC|2006}}
| dm1=SF | de1=- | pn1= | ps1=-
}}
| dm2=α | de2=5.926 | pn2=250 | ps2=[[curium|Cm]] }}
* {{cite book
{{Elementbox_isotopes_end}}
|title = The Encyclopedia of the Chemical Elements
{{Elementbox_footer | color1=#ff99cc | color2=black }}
|url = https://archive.org/details/encyclopediaofch00hamp
'''Kalifornium''' ({{pronEng|ˌkæl<s>ɪ</s>ˈforniəm}}) adalah [[unsur kimia]] dalam [[sistem periodik unsur]] yang memiliki lambang '''Cf''' dan [[nomor atom]] 98.
|publisher = Reinhold Book Corporation
|year = 1968
|editor-last = Hampel|editor-first = Clifford A.
|last = Cunningham
|first = B. B.
|coauthors =
|chapter = Californium
|pages=
|ref = harv
|lccn = 68-29938
}}
* {{cite book
|title = The Elements
|last = Emsley
|first = John
|publisher = Oxford University Press
|year = 1998
|isbn = 978-0-19-855818-7
|pages =
|url=http://books.google.com/books?id=qgYpAAAAYAAJ
|ref = harv
}}
* {{cite book
|title = Nature's Building Blocks: An A-Z Guide to the Elements
|last = Emsley
|first = John
|publisher = Oxford University Press
|year = 2001
|isbn = 978-0-19-850340-8
|chapter = Californium
|pages =
|url=http://books.google.com/books?id=Yhi5X7OwuGkC&printsec=frontcover#v=onepage&q&f=false
|ref = harv
}}
* {{cite book
|last = Greenwood
|first = N. N.
|coauthors = Earnshaw, A.
|title = Chemistry of the Elements
|edition = 2nd
|publisher = Butterworth-Heinemann
|year = 1997
|isbn = 978-0-7506-3365-9
|page =
|chapter =
|ref = harv
}}
* {{cite book
|title = The Chemistry of the Actinide and Transactinide Elements
|editor1-first = Lester R.
|editor1-last = Morss|editor2-first = Norman M.
|editor2-last = Edelstein
|editor3-last = Fuger|editor3-first = Jean
|last = Haire|first = Richard G.
|chapter = Californium
|publisher = Springer Science+Business Media
|year = 2006
|isbn = 978-1-4020-3555-5
|edition = 3rd
|ref = harv
}}
* {{cite book
|last = Heiserman
|first = David L.
|year = 1992
|title = Exploring Chemical Elements and their Compounds
|publisher = TAB Books
|isbn = 978-0-8306-3018-9
|chapter = Element 98: Californium
|ref = harv
|url=http://books.google.com/books?id=24l-Cpal9oIC
}}
* {{cite book
|others = trans. rev. Eagleson, Mary
|editor1-first = Hans-Dieter|editor1-last = Jakubke
|editor2-first = Hans|editor2-last = Jeschkeit
|title = Concise Encyclopedia Chemistry
|publisher = Walter de Gruyter
|year = 1994
|url = http://books.google.com/books?id=Owuv-c9L_IMC&printsec=frontcover
|isbn = 978-3-11-011451-5
|ref = {{sfnRef|Jakubke|1994}}
}}
* {{cite book
|last = Krebs
|first = Robert
|title = The History and Use of our Earth's Chemical Elements: A Reference Guide
|url = https://archive.org/details/historyuseofoure0000kreb
|year = 2006
|publisher = Greenwood Publishing Group
|isbn = 978-0-313-33438-2
|ref = harv
}}
* {{cite book
|title = Radiation Source Use and Replacement: Abbreviated Version
|author = National Research Council (U.S.). Committee on Radiation Source Use and Replacement
|year = 2008
|publisher = National Academies Press
|ref = {{sfnRef|NRC|2008}}
|url = http://books.google.com/books?id=3cT2REdXJ98C&printsec=frontcover
|isbn = 978-0-309-11014-3
}}
* {{cite book
|editor1-last = O'Neil|editor1-first = Marydale J.
|editor2-last = Heckelman|editor2-first = Patricia E.
|editor3-last = Roman|editor3-first = Cherie B.
|title = The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals
|edition = 14th
|publisher = Merck Research Laboratories, Merck & Co.
|year = 2006
|isbn = 978-0-911910-00-1
|url = http://books.google.com/books?id=kEYfRAAACAAJ
|ref = {{sfnRef|O'Neil|2006}}
}}
* {{cite journal
| title = Californium-252: A Remarkable Versatile Radioisotope
| last1 = Osborne-Lee|first1 = I. W.
| last2 = Alexander|first2 = C. W.
| journal = Oak Ridge Technical Report ORNL/TM-12706
| year = 1995
| url = http://www.osti.gov/bridge/product.biblio.jsp?query_id=1&page=0&osti_id=205871 |doi=10.2172/205871
| ref = {{sfnRef|Osborne-Lee|1995}}
}}
* {{cite book
|last1 = Ruiz-Lapuente
|first1 = P.
|last2 = Canal
|first2 = R.
|last3 = Isern
|first3 = J.
|year = 1996
|title = Thermonuclear Supernovae
|publisher = [[Springer Science+Business Media]]
|isbn = 978-0-7923-4359-2
|url = http://books.google.com/books?id=I6Rl1VAAX3QC
|ref = {{sfnRef|Ruiz-Lapuente|1996}}
}}
* {{cite book
|last1 = Seaborg|first1 = Glenn T.
|last2 = Loveland|first2 = Walter D.
|title = The Elements Beyond Uranium
|publisher = John Wiley & Sons, Inc.
|year = 1990
|isbn = 978-0-471-89062-1
|ref = {{sfnRef|Seaborg|1990}}
|url = http://books.google.com/books?id=QFhRAAAAMAAJ
}}
* {{cite book
|last = Seaborg
|first = G. T.
|year = 1994
|url = http://books.google.com/books?id=e53sNAOXrdMC&pg=PA245
|title = Modern alchemy: selected papers of Glenn T. Seaborg
|publisher = World Scientific
|isbn = 978-981-02-1440-1
|ref = harv
}}
* {{cite book
|last = Seaborg
|first = G. T.
|year = 1996
|editor = Adloff, J. P.
|title = One Hundred Years after the Discovery of Radioactivity
|publisher = Oldenbourg Wissenschaftsverlag
|isbn = 978-3-486-64252-0
|url = http://books.google.com/books?id=whGiCQywLi8C&printsec=frontcover#v=onepage&q&f=false
|ref = harv
}}{{Pranala mati|date=Februari 2023 |bot=InternetArchiveBot |fix-attempted=yes }}
* {{cite encyclopedia
| last = Seaborg | first = Glenn T.
| encyclopedia = Concise Encyclopedia of Chemistry
| title = Californium
| editor = Geller, Elizabeth
| publisher = McGraw-Hill
| year = 2004
| isbn = 978-0-07-143953-4
| page = 94
| url = http://books.google.com/books?id=Owuv-c9L_IMC&printsec=frontcover#v=onepage&q&f=false
| ref= harv
}}
* {{cite book
|last1 = Szwacki|first1 = Nevill Gonzalez
|last2 = Szwacka|first2 = Teresa
|title = Basic Elements of Crystallography
|publisher = Pan Stanford
|year = 2010
|isbn = 978-981-4241-59-5
|url = http://www.scribd.com/doc/39588027/Basic-Elements-of-Crystallography
|ref= {{sfnRef|Szwacki|2010}}
}}
* {{cite book
|last = Weeks
|first = Mary Elvira
|coauthor = Leichester, Henry M.
|year = 1968
|title = Discovery of the Elements
|url = https://archive.org/details/discoveryofeleme07edunse
|publisher = Journal of Chemical Education
|chapter = 21: Modern Alchemy
|pages = [https://archive.org/details/discoveryofeleme07edunse/page/848 848]–850
|ref = harv
|isbn = 978-0-7661-3872-8
|lccn = 68-15217
}}


== Pranala luar ==
== Pranala luar ==
Baris 58: Baris 262:


{{Tabel periodik unsur kimia}}
{{Tabel periodik unsur kimia}}
{{kimia-stub}}
<!-- interwiki -->


[[Kategori:Unsur kimia]]
[[Kategori:Unsur kimia]]
[[Kategori:Aktinida]]
[[Kategori:Aktinida]]
[[Kategori:Unsur kimia sintetik]]
[[Kategori:Unsur kimia sintetis]]


{{Link FA|de}}
{{Link FA|en}}


{{kimia-stub}}
[[ar:كاليفورنيوم]]
[[az:Kalifornium]]
[[be:Каліфорній]]
[[be-x-old:Каліфорн]]
[[bn:ক্যালিফোর্নিয়াম]]
[[bs:Kalifornij]]
[[ca:Californi]]
[[co:Californiu]]
[[cs:Kalifornium]]
[[cv:Калифорни (элемент)]]
[[cy:Califforniwm]]
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[[el:Καλιφόρνιο]]
[[en:Californium]]
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[[gv:Californium]]
[[hak:Khà (鉲)]]
[[he:קליפורניום]]
[[hif:Californium]]
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[[hy:Կալիֆոռնիում]]
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[[jv:Kalifornium]]
[[ko:캘리포늄]]
[[kv:Калифорний]]
[[la:Californium]]
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[[lv:Kalifornijs]]
[[ml:കാലിഫോർണിയം]]
[[mr:कॅलिफोर्नियम]]
[[mrj:Калифорний]]
[[ms:Kalifornium]]
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[[sa:कालिफोर्नियम]]
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[[scn:Californiu]]
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[[tr:Kaliforniyum]]
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[[uk:Каліфорній]]
[[ur:کیلیفورنیئم]]
[[vep:Kalifornii (himine element)]]
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[[xal:Калифорниүм]]
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Revisi terkini sejak 24 Juni 2023 09.06

98Cf
Kalifornium
Cakram logam kalifornium, memiliki berat 10 mg
Garis spektrum kalifornium
Sifat umum
Nama, lambangkalifornium, Cf
Pengucapan/kalifornium/[1]
Penampilankeperakan
Kalifornium dalam tabel periodik
Perbesar gambar

98Cf
Hidrogen Helium
Lithium Berilium Boron Karbon Nitrogen Oksigen Fluor Neon
Natrium Magnesium Aluminium Silikon Fosfor Sulfur Clor Argon
Potasium Kalsium Skandium Titanium Vanadium Chromium Mangan Besi Cobalt Nikel Tembaga Seng Gallium Germanium Arsen Selen Bromin Kripton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Dy

Cf

(Upb)
berkeliumkaliforniumeinsteinium
Lihat bagan navigasi yang diperbesar
Nomor atom (Z)98
Golongangolongan n/a
Periodeperiode 7
Blokblok-f
Kategori unsur  aktinida
Nomor massa[251]
Konfigurasi elektron[Rn] 5f10 7s2 [2]
Elektron per kelopak2, 8, 18, 32, 28, 8, 2
Sifat fisik
Fase pada STS (0 °C dan 101,325 kPa)padat
Titik lebur1173 K ​(900 °C, ​1652 °F)[3]
Titik didih1743 K ​(1470 °C, ​2678 °F) (perkiraan)[4]
Kepadatan mendekati s.k.15,1 g/cm3[3]
Sifat atom
Bilangan oksidasi+2, +3, +4, +5[5][6]
ElektronegativitasSkala Pauling: 1,3[7]
Energi ionisasike-1: 608 kJ/mol[8]
Lain-lain
Kelimpahan alamisintetis
Struktur kristalsusunan padat heksagon ganda (dhcp)
Struktur kristal Double hexagonal close packed untuk kalifornium
Skala Mohs3–4[9]
Nomor CAS7440-71-3[3]
Sejarah
Penamaandari California, tempat di mana ia ditemukan
PenemuanLaboratorium Nasional Lawrence Berkeley (1950)
Isotop kalifornium yang utama[10][11]
Iso­top Kelim­pahan Waktu paruh (t1/2) Mode peluruhan Pro­duk
248Cf sintetis 333,5 hri α (100%) 244Cm
SF (2,9×10−3 %)
249Cf sintetis 351 thn α (100%) 245Cm
SF (5,0×10−7 %)
250Cf sintetis 13,08 thn α (99,92%) 246Cm
SF (0,08%)
251Cf sintetis 898 thn α 247Cm
252Cf sintetis 2,645 thn α (96,91%) 248Cm
SF (3,09%)
253Cf sintetis 17,81 hri β (99,69%) 253Es
α (0,31%) 249Cm
254Cf sintetis 60,5 hri SF (99,69%)
α (0,31%) 250Cm
| referensi | di Wikidata

Kalifornium (pengucapan: /ˌkælɪˈforniəm/) adalah unsur kimia dalam sistem periodik unsur yang memiliki lambang Cf dan nomor atom 98. Atom ini dinamakan berdasarkan universitas dan negara bagian Kalifornia. Kalifornium adalah senyawa paling mahal ke-7 di dunia, dengan harga 27 juta dolar Amerika per Gram.[12]

Kegunaan[sunting | sunting sumber]

Kalifornium bisa digunakan untuk terapi kanker.[13] Elemen ini adalah sumber neutron yang efisien. Karena itu banyak potensi kegunaan baru untuk elemen ini.

Referensi[sunting | sunting sumber]

  1. ^ (Indonesia) "Kalifornium". KBBI Daring. Diakses tanggal 17 Juli 2022. 
  2. ^ CRC 2006, hlm. 1.14.
  3. ^ a b c CRC 2006, hlm. 4.56.
  4. ^ Joseph Jacob Katz; Glenn Theodore Seaborg; Lester R. Morss (1986). The Chemistry of the actinide elements. Chapman and Hall. hlm. 1038. ISBN 9780412273704. Diakses tanggal 5 Agustus 2022. 
  5. ^ Greenwood, Norman N.; Earnshaw, A. (1997), Chemistry of the Elements (edisi ke-2), Oxford: Butterworth-Heinemann, hlm. 1265, ISBN 0-7506-3365-4 
  6. ^ Kovács, Attila; Dau, Phuong D.; Marçalo, Joaquim; Gibson, John K. (2018). "Pentavalent Curium, Berkelium, and Californium in Nitrate Complexes: Extending Actinide Chemistry and Oxidation States". Inorg. Chem. American Chemical Society. 57 (15): 9453–9467. doi:10.1021/acs.inorgchem.8b01450. OSTI 1631597. PMID 30040397. 
  7. ^ Emsley 1998, hlm. 50.
  8. ^ CRC 2006, hlm. 10.204.
  9. ^ CRC 1991, hlm. 254.
  10. ^ CRC 2006, hlm. 11.196.
  11. ^ Sonzogni, Alejandro A. (Database Manager), ed. (2008). "Chart of Nuclides". National Nuclear Data Center, Brookhaven National Laboratory. Diakses tanggal 5 Agustus 2022. 
  12. ^ Why Does Californium-252 Cost $27 Million Per Gram, diakses tanggal 2023-06-24 
  13. ^ "Kalifornium | Californium (Cf) : Penjelasan, Ciri Sifat dan Kegunaan". MASTAH (dalam bahasa Inggris). 2017-11-30. Diakses tanggal 2020-01-24. 

Bacaan[sunting | sunting sumber]

Pranala luar[sunting | sunting sumber]