Radium

Symbol RaAtomic number 88
Atomic mass
226.025
 Thermal conductivity
0.186
Atomic radius
...
 Covalent radius
...
Density
5.00
 Atomic volume
45.2
Melting point
973
 Oxidation states
2
Boiling point
1413
 Stable isotopes
0
Heat of vapor.
...
 Electronegativity
0.9
Heat of fusion
...
 First ionization
...
Specific heat
...
 Electrical conduct.
...
Electron configuration

General descriptionNuclear data
 Index

Periodic Table

Chemistry concepts
 
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Radium

Radium is a metal whose compounds are similar to those of Barium.

Radium is notable primarily for its radioactivity.

Atomic dataNuclear data
 Index

Periodic Table

Chemistry concepts

Reference
Pauling
Ch. 26,32
 
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Radium Nuclear Data

Z
A
Atomic
Mass (u)
Nuclear
Mass(GeV/c2)
Binding
Energy(MeV)
Spin
Natural
Abund.
Half-life
Decay
Q
MeV
88
206
206.003800
191.8479
1590.3
0
...
0.4s
a
7.42
88
216
216.003509
201.1626
1671.3
0
...
0.18s
a
9.53
88
218
218.007118
203.0290
1684.1
0
...
14ms
a
8.55
88
220
220.011004
204.8956
1696.6
0
...
23ms
a
7.59
88
222
222.015353
206.7627
1708.7
0
...
38s
a
5.59
88
223
223.018501
207.6971
1713.9
3/2
...
11.43d
a
5.98
88
224
224.020186
208.6302
1720.4
0
...
3.66d
a
5.79
88
225
225.023604
209.5649
1725.2
3/2
...
14.8d
b-
0.37
88
226
226.025403
210.4981
1731.6
0
...
1.599ky
a
4.87
88
228
228.031064
212.3663
1742.5
0
...
5.75y
b-
0.045
Atomic data
Index

Periodic Table

Chemistry concepts

Reference
Rohlf
 
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