 | Barium | Atomic Number: 56 |
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- Overview
Property Value Units 137.327
3.51
- Thermal Properties
Thermal Properties
Property Value Units 725°C
1140°C
The critical pressure has not been determined for Barium
The critical temperature has not been determined for Barium
8 kJ/mol
170 kJ/mol
205 J/kg·K
18 W/m·K
- Electon Configuration
[Xe] 6s2
K L M N O P Q 2 8 18 18 8 2 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1808
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 56
Ba
130
Barium Ba 130 Stable 0.106 - - - - - 56
Ba
132
Barium Ba 132 Stable 0.101 - - - - - 56
Ba
134
Barium Ba 134 Stable 2.417 - - - - - 56
Ba
135
Barium Ba 135 Stable 6.592 - - - - - 56
Ba
136
Barium Ba 136 Stable 7.854 - - - - - 56
Ba
137
Barium Ba 137 Stable 11.232 - - - - - 56
Ba
138
Barium Ba 138 Stable 71.698 - - - - - Isotopic mass data for stable isotopes is from:
G. Audi, A.H. Wapstra in Nuclear Physics A, 1993, 565, 1-65
and
G. Audi, A.H.Wapstra in Nuclear Physics A, 1995, 595 409-480.Natural abundance data is from:
K.J.R. Rosman, P.D.P. Taylor in Pure Appplied Chemistry, 1999, 71, 1593-1607.- Occurance
In the Universe 0.000001% In the Sun 0.000001% In Meteorites 0.00027% In the Earth's Crust 0.034% In Seawater 0.000003% In the Human Body 0.00003% - Models
Pictures, videos and 3D models of the element
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