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Periodic Table - Elements - Barium
| Symbol |
Ba |
|
| Atomic Number |
56 |
Relative Atomic Mass
12C = 12.0000 |
137.327 |
Atomic Radius
pm |
217 |
First Ionisation Energy
kJ mol-1 |
502.8 |
| Electronegativity |
0.89 |
Density
kg m-3 |
3594 [293 K]
3325 [m.p.] |
Molar Volume
cm3 |
38.21 |
Thermal Conductivity
W m-1 K-1 |
18.4 [300 K] |
Melting Point
K |
1002 |
Boiling Point
K |
1910 |
| Number of Isotopes |
37 |
Ground State Electron
Configuration |
[Xe]6s2 |
| Term Symbol |
1S0 |
| Discovery |
Discovered by Sir H. Davey (London, England) in 1808 |
| Name Derived From |
Greek barys meaning 'heavy' |
Name in Other
Languages |
 Croatian | Barij |
 Danish | barium |
 Dutch | barium |
 Finnish | barium |
 French | baryum |
 German | Barium |
 Italian | bario |
 Norwegian | barium |
 Portuguese | bário |
 Spanish | bario |
 Swedish | barium |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
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Page compiled: Wed Sep 05 18:37:53 GMT+01:00 2001
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