1-H-1
 basic
 n-XS summary
 XS graphs

 element
1-hydrogen-1

  • Atomic Mass: 1.0078250 +- 0.0000000 amu
  • Excess Mass: 7288.969 +- 0.001 keV
  • Binding Energy: 0.000 +- 0.000 keV
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
  • Atomic Percent Abundance: 99.985%
  • Spin: 1/2+
  • Stable Isotope

  • Possible parent nuclides:
    Beta from n-1
    2 Alpha from B-9
    EC + 2 Alpha from C-9
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)
Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
0stable1/2+ +2.79284734(3) d "M/N,R"RMP 72 351 (00)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.