Boron: Properties


Isotopes
  Natural
Abun. (%)
Atomic
Mass
Half-
life
Decay Mode
/Energy (/MeV)
Part. En.
/Intensity
(MeV/%)
Cross-sect.
Ther. Neut.
(b)
Spin
(h/2 pi)
Magnetic
Dipl.Mom.
(nm)
Electric
Quad. Mom.
(b)
Gamma En.
/Intensity
(MeV/%)
 7B   7.0299 0.4x10-21s p           
 8B   8.024605 0.77s +,2 alpha/ 17.979 13.7  2+ 1.0355 nm   rad. an.
 9B   9.013328 0.8x10-18s p2 alpha    3/2-      
 10B 19.9 % 10.012937       0.5 b3+ 1.8006 nm 0.085 b  
 11B 80.1 % 11.009305       0.0053 b3/2- 2.6886 nm 0.041 b  
 12B   12.014352 0.0202s -/ 13.369
-alpha
   1+ 1.0031 nm 0.013 b 4.438/ 1.3
3.215/ 0.00065
 13B   13.01778 0.0174s -/ 13.436
-n
13.4
2.43/ 0.09
3.55/ 0.16
 3/2- 3.17778 nm 0.037 b 3.68/ 7.6
 14B   14.0254 14ms -/ 20.64    2-     6.094/ 90
 15B   15.0311 9ms -,n/ 19.1           
 17B   17.046               
 19B   19.064