element

Information about Radon-210:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	209.989680	±	0.000011	amu
Excess Mass (Δ):	-9.613145	±	0.010172	MeV
Binding Energy:	1637.308542	±	0.010176	MeV
β^- Decay Energy:	-6.258208	±	0.023723	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:

Spin: 0+
Half life: 2.4 h ( 8640 sec., λ = 8.02254×10^-05 s^-1)
Mode of decay:
α
to
206
84
Po
(Q = 6.159 MeV) Branch ratio: 96.00 %
Mode of decay:
E.C.
to
210
85
At
(Q = 2.374 MeV) Branch ratio: 4.00 %
Possible parent nuclides:
E.C. from
210
87
Fr

α from
214
88
Ra

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
1665+x	644 ns	(8+)	7.18(6)			TDPAD	NP A448 189 (86)
			7.06(8)			TDPAD	HFI 9 87 (81)
				0.31(4)	[212Rn 1694]	TDPAD	PL 182B 11 (86)
2563+x	64 ns	(11)-	12.16(11)			TDPAD	HFI 9 87 (81)
3248+x	72 ns	(14)+	14.92(10)			TDPAD	NP A448 189 (86)
			14.6(3)			TDPAD	HFI 9 87 (81)
3812+x	1.05 ms	(17)-	17.88(9)			TDPAD	NP A448 189 (86)
			+17.87(10)			TDPAD	Th Berger (87)
			17.7(2)			TDPAD	HFI 9 87 (81)
				0.86(10)	[212Rn 1694]	TDPAD	PL 182B 11 (86)
4993	12.3 ns	(20)+	22.3(1)				NP A448 189 (86)
6468	1.04 ms	(22)+	15.42(15)				NP A448 189 (86)
7310	34 ns	(25)-	18.3(2)				NP A448 189 (86)

N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.