H
Home
Background Color:
He
Li
Be
Radium Main Page
Black
 
White
 
Gray
B
C
N
O
F
Ne
Na
Mg
Radium Pictures Page
Al
Si
P
S
Cl
Ar
K
Ca
Radium Technical Data
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Cs
Ba
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Fr
Ra
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
Nh
Fl
Mc
Lv
Ts
Og
Isotopes of Radium (click to see decay chain):
202
Ra
203
Ra
204
Ra
205
Ra
206
Ra
207
Ra
208
Ra
209
Ra
210
Ra
211
Ra
212
Ra
213
Ra
214
Ra
215
Ra
216
Ra
217
Ra
218
Ra
219
Ra
220
Ra
221
Ra
222
Ra
223
Ra
224
Ra
225
Ra
226
Ra
227
Ra
228
Ra
229
Ra
230
Ra
231
Ra
232
Ra
233
Ra
234
Ra
221
Ra
Half-life
Fermion, 88p 133n
28 s
Spin 5/2 Parity 1
Show Decay Modes
Hide Ultimate Decay Products
Yield
Nuclide
100%
205
Tl
1.2×10
-10
%
207
Pb
Atomic Weight
221.013917338
Abundance
None
Mass Excess
12.963917MeV
Binding Energy
7.701134MeV
Magnetic Moment
-0.1799 μ
Quadrupole Moment
1.978
Show Isotope Symbols.
Show only decay products of this isotope.
Show Decay Image Full Size.
Decay chain image generated by
Mathematica
's
GraphPlot
and
IsotopeData
functions from
Wolfram Research, Inc.
.