Cf

Californium

Izinto 98 · 251.07959 u

Actinide f- iblock Ixesha 7 I-Solid kwi-RT I-Radioactive t½ 898 years I-Synthesizer I-Wikipedia →

I-californium yindawo enamandla ye-neutroni esetyenziswa ekuqaleni kwe-nuclear reactor kunye nonyango lwesifo somhlaza.

Iimpawu Zobuchopho

Ii-atom251.07959 u
Uxinano15.1 g/cm³
Incopho yokubila:1173.0 K
Incopho yokubila:1743.0 K
UkubonakalaI-silvery metallic
I-State at Room TempI-Solid

Iimpawu zekhemikhali

Electronegativity1.3 (I-Polygon)
I-Ionization Energy608.0 kJ/mol
Electronegativity:-97.31 kJ/mol
Iindawo zokuthambisa+2, +3, +4

Iimpahla zephetshana elichazayo:

Uqwalaselo lwe Electron[Rn] 5f10 7s2
Atomic radius:169.0 pm
I-Van der Waals Radius245.0 pm

Ukufumana kwakhona

Ifunyenwe NguStanley G. Thompson, Kenneth Street Jr., Albert Ghiorso, Glenn T. Seaborg
Unyaka Wophando1950
IndawoBerkeley, California, USA
Igama ElilandelayoIbizwa ngokuba yiCalifornia neYunivesithi yaseCalifornia

I-About Californium

I-Californium-252 iqhutywa ngokuzenzekelayo, ikhupha i-neutrons esebenzayo. Kuphela malunga ne-500 micrograms iveliswa ngonyaka e-US. Yinye yezinto ezibiza kakhulu emhlabeni.

Iinkqubo

Ukuqalisa kwe-nuclear reactor, iiglavu zobumanzi, ukurekhoda kwe-oyile, kunye nonyango lwesifo sentliziyo.

Inyathelo 1:

I-Californium-252 ibiza malunga ne-$27 yezigidi ngegram, nangona kunjalo i-microgram kuphela efunekayo.

I-Isotopes

Inani le-Mass Uninzi Ixesha eliphakathi Iqinile
249 - 351 years Akukho nanye
251 - 898 years Akukho nanye
252 - 2.645 years Akukho nanye

Uqwalaselo lwe Electron

[Rn] 5f10 7s2

Uthelekiso

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