Bk

I-Berkelium

Ingxenye 97 · 247.07031 u

I-Actinide f-block Isikhathi 7 Iqinile ku-RT I-Radioactive t½ 1,380 years Isingeniso I-Wikipedia →

I-Berkelium ikhiqizwa ngamayunithi amancane ukuhlinzeka njengezinto ezifanele zokukwenza izinto ezinzima.

Izici Zobuchopho

I-Atom Mass247.07031 u
Ubukhulu14.79 g/cm³
Izinga lokuncibilika1259.0 K
Izinga lokubopha2900.0 K
UkubonakalaIsibhakabhaka esimnyama
Isimo ku-Room TempIqinile

Izici ze-chemical

Electronegativity1.3 (I-Pauling)
I-Ionization Energy601.0 kJ/mol
I-electron affinity-165.24 kJ/mol
I-Oxidation States+3, +4

Izici ze-Atom

I-electron[Rn] 5f9 7s2
I-Atom Radius170.0 pm
I-Van der Waals Radius244.0 pm

Ukuqapha

Itholakele nguStanley G. Thompson, Albert Ghiorso, Glenn T. Seaborg
Unyaka wokuqamba1949
Indawoi-California
Ibizwa ngeIbizwa nge-Berkeley, California

Malunga I-Berkelium

I-Berkelium iyi-actinide ekhanyayo, emhlophe ekhanyayo. Yasetshenziswa njengezinto ezidingayo ukukhiqiza isici 117 (tennessine).

Izisebenziso

Izinto ezizosetshenziswa ukukhiqiza izinto ezinzima kakhulu kanye nocwaningo lwesayensi.

Iqiniso elijabulisayo

In 2009, abacwaningi bakhiqize 22 milligrams berkelium-249 ngaphezulu 250 izinsuku ukwenza isici 117.

Isibonisi

Inani le-mass Ubukhulu Isikhathi esingu-half-life Iqinile
247 - 1,380 years Akukho
249 - 330 days Akukho

I-electron

[Rn] 5f9 7s2

Qhathanisa

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