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Californium

Zosankha 98 · 251.07959 u

Actinide f-block Mphindi 7 M'gululi pa RT Radioactive t½ 898 years Sintetiki Wikipedia →

Californium ndi mphamvu yamphamvu ya neutron yomwe imagwiritsidwa ntchito pakupanga ma reactors a nuclear ndi kuchiritsa kachilombo.

Zochita za Fiziki

Mafuta251.07959 u
Kuwala15.1 g/cm³
Kutentha1173.0 K
Kutentha1743.0 K
KuonekaSilvery metallic
State at Room TempM'gululi

Makhalidwe a Chemical

Electronegativity1.3 (Pauling)
1st Ionization Energy608.0 kJ/mol
Electron Affinity-97.31 kJ/mol
Oxygen+2, +3, +4

Zosankha

Kusintha kwa ma electron[Rn] 5f10 7s2
Atomic radius169.0 pm
Kuwala kwa Van der Waals245.0 pm

Kupeza

Kupezeka ndiStanley G. Thompson, Kenneth Street Jr., Albert Ghiorso, Glenn T. Seaborg
Kuzindikira chaka1950
MaloBerkeley, California, United States
Analimbikitsidwa ndiCalifornia ndi dzina la dziko la United States.

Za ine Californium

Californium-252 imatulutsa ma neutrons othandiza. Pali pafupifupi 500 micrograms omwe amapangidwa chaka chilichonse ku US. Ndi imodzi mwazinthu zofunikira kwambiri padziko lapansi.

Kugwiritsa ntchito & Maphunziro

Kuyambiranso kwa reactor ya nyukiliya, ma gauges a madzi, kulowa kwa mafuta, ndi kuchiritsa kachilombo.

Fun Facts

Californium-252 imawononga pafupifupi $ 27 miliyoni pa gramu, ngakhale kuti kuchuluka kwa micrograms ndi komwe kumafunikira.

Isotopes

Kukula kwa maselo Kuchuluka Half-Life Wolimba
249 - 351 years Si
251 - 898 years Si
252 - 2.645 years Si

Kusintha kwa ma electron

[Rn] 5f10 7s2

Kuyerekezera

Kuyerekezera ndi zina zinthu

Kutsegula Zomwe Zimafananiza
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