Bk
Berilium
Qaybta 97 · 247.07031 u
Berkelium waxaa lagu soo saaraa tiro yar oo u adeega sida alaab loogu talagalay in ay ka dhigto qaybaha culus.
Eeg astaamaha
| Atomic mass | 247.07031 u |
| Cidhiidhi | 14.79 g/cm³ |
| Natiijooyinka | 1259.0 K |
| Natiijooyinka | 2900.0 K |
| Muuqaalka | Madow |
| Xaaladda heerkulka qolka | Cidhiidhi |
Eegista
| Electronegativity | 1.3 (Pauling) |
| 1st Ionization | 601.0 kJ/mol |
| Istaraatiijiyad | -165.24 kJ/mol |
| Nidaamka | +3, +4 |
_Cusub:
| Nidaamka | [Rn] 5f9 7s2 |
| Awooda | 170.0 pm |
| Van der Waals | 244.0 pm |
Dib u eegista
| La Ogaaday | Stanley G. Thompson, Albert Ghiorso, Glenn T. Seaborg |
| Sannadka la helay | 1949 |
| _Meel | Berkeley, California, Maraykanka |
| Magacaabista | Berkeley, California |
_Warbixinta Berilium
Berkelium waa mid fudud, silvery-caddaan radioactive actinide. Waxaa loo isticmaalay sida alaabta la doonayo in ay soo saaraan qaybta 117 (tennessine).
Barnaamijyada
Target qalabka si ay u soo saaraan qaybaha culus iyo cilmi baarista cilmiga.
Xaqiiqo xiiso leh
In 2009, cilmi-baarayaashu waxay soo saareen 22 milligrams berkelium-249 250 maalmood oo ay abuuraan qaybta 117.
Isotoobyo
| Tirada | Tirada | Half-Life | Xasiloon |
| 247 | - | 1,380 years | Ha |
| 249 | - | 330 days | Ha |
Nidaamka
[Rn] 5f9 7s2