Cf

Kalifoornium

Qaybta 98 · 251.07959 u

Aqoonsiga f-block Waqtiga 7 Cidhiidhi at RT Radioactive t½ 898 years Isku dhafan Wikipedia →

Californium waa mid xoog leh oo ka mid ah soo saarka neutron ee loo isticmaalo in reactor nuclear bilaabi iyo daaweynta kansarka.

Eeg astaamaha

Atomic mass251.07959 u
Cidhiidhi15.1 g/cm³
Natiijooyinka1173.0 K
Natiijooyinka1743.0 K
MuuqaalkaMadow
Xaaladda heerkulka qolkaCidhiidhi

Eegista

Electronegativity1.3 (Pauling)
1st Ionization608.0 kJ/mol
Istaraatiijiyad-97.31 kJ/mol
Nidaamka+2, +3, +4

_Cusub:

Nidaamka[Rn] 5f10 7s2
Awooda169.0 pm
Van der Waals245.0 pm

Dib u eegista

La OgaadayStanley G. Thompson, Kenneth Street Jr., Albert Ghiorso, Glenn T. Seaborg
Sannadka la helay1950
_MeelBerkeley, California, Maraykanka
MagacaabistaMagaca ka dib California iyo Jaamacadda California

_Warbixinta Kalifoornium

Californium-252 si toos ah u kala qaybiya, oo soo saara neutrons faa'iido leh. Waxaa kaliya oo ku saabsan 500 micrograms oo sanad kasta lagu soo saaro Mareykanka. Waa mid ka mid ah waxyaabaha ugu qaalisan ee dhulka.

Barnaamijyada

Nuclear reactor bilaabi, gauge dabacsanaan, shidaalka well logging, iyo daaweynta kansarka.

Xaqiiqo xiiso leh

Californium-252 qiimaha ku saabsan $ 27 milyan oo gram, in kasta oo kaliya microgram tirada ayaa caadi ahaan loo baahan yahay.

Isotoobyo

Tirada Tirada Half-Life Xasiloon
249 - 351 years Ha
251 - 898 years Ha
252 - 2.645 years Ha

Nidaamka

[Rn] 5f10 7s2

La barbardhigo

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