Information about Hydrogen-1:

		(no NIST x-ray data)	(no NIST attenuation data)
Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	1.007825	±	0.000000	amu
Excess Mass (Δ):	7.288969	±	0.000001	MeV
Binding Energy:	0.000000	±	0.000000	MeV

"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.

Radioactive Decay Data:

Atomic Percent Abundance: 99.985%
Spin: 1/2+
Stable Isotope
Possible parent nuclides:
β^- from
1
0
n

2α from
9
5
B

E.C. + 2α from
9
6
C

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)	T_1/2	Spin	m(nm)	Q(b)	Ref. Std.	Method	Reference
0	stable	1/2+	+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.