Berquélio: Propriedades


Isótopos

  Abund.
Nat. (%)
Massa
Atómica
Meia-
vida
Modo de Dec.
/Energia (/MeV)
En. da Part.
/Intensidade
(MeV/%)
Seccão Ef.
Neut. Term.
(b)
Spin
(h/2 pi)
Mom. Dip.
Magnético
(nm)
Mom. Quad.
Eléctrico
(b)
En. dos Gamas
/Intensidade
(MeV/%)
242Bk   242.06194 7m C.E./ 2.9           
243Bk   243.062997 4.5h C.E./ 1.506
alpha/ 6.871
6.542/ 0.03
6.5738/ 0.04
6.718/ 0.02
6.7581/ 0.02
 3/2-     0.1466
0.1874
0.755
0.84
0.946
244Bk   244.06516 4.4h C.E./ 2.25
alpha/ 6.778

6.625/ 0.003
6.667/ 0.003
 4-     0.1445
0.1876
0.2176
0.9815
0.9215
245Bk   245.066357 4.94d C.E./ 0.812
alpha/ 6.453

5.8851/ 0.03
6.1467/ 0.02
6.3087/ 0.014
6.3492/ 0.018
6.3492/ 0.0183/2-     Cm L x rays
Cm k x rays
0.25299
0.3809
0.3851
246Bk   246.06872 1.8d C.E./ 1.5    2-     Cm L x rays
Cm k x rays
0.79881
1.08142
247Bk   247.0703 1400a alpha/ 5.889 5.501/ 7
5.532/ 45
5.6535/ 5.5
5.678/ 13
5.712/ 17
5.712/ 173/2-     0.04175
0.0839
0.268
248Bk   248.073106 23.7h ß-/ 0.87
C.E./ 0.72
0.86  1-     Cm L x rays
Cf L x rays
Cm k x rays
Cf k x rays
249Bk   249.07498 320d ß-/ 0.125
alpha/ 5.525
0.125/ 100
5.539/ 0.0002
5.4174/ 0.001
700 b7/2+ 2 nm    
250Bk   250.078312 3.217h ß-/ 1.78 0.74  2-     Cf L x rays
Cf k x rays
0.98912
1.03184
0.04 - 1.6
251Bk   251.08076 56m ß-/ 1.09    3/2-     0.02481
0.1528
0.1776