 | Thallium | Atomic Number: 81 |
- Overview
Property Value Units 204.3833
11.85
- Thermal Properties
Thermal Properties
Property Value Units 303°C
1457°C
The critical pressure has not been determined for Thallium
The critical temperature has not been determined for Thallium
4.2 kJ/mol
165 kJ/mol
129 J/kg·K
46 W/m·K
- Electon Configuration
[Xe] 4f14 5d10 6s2 6p1
K L M N O P Q 2 8 18 32 18 3 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1861
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 81
Tl
203
Thallium Tl 203 Stable 29.524 - - - - - 81
Tl
205
Thallium Tl 205 Stable 70.476 - - - - - 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 0.00000005% In the Sun 0.0000001% In Meteorites 0.0000078% In the Earth's Crust 0.000053% In Seawater 1E-10% In the Human Body 0% - Models
Pictures, videos and 3D models of the element
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