 | Tantalum | Atomic Number: 73 |
- Overview
Property Value Units 180.9479
16.65
- Thermal Properties
Thermal Properties
Property Value Units 2996°C
5425°C
The critical pressure has not been determined for Tantalum
The critical temperature has not been determined for Tantalum
36 kJ/mol
735 kJ/mol
140 J/kg·K
57 W/m·K
- Electon Configuration
[Xe] 4f14 5d3 6s2
K L M N O P Q 2 8 18 32 11 2 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1802
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 73
Ta
180
Tantalum Ta 180 Stable 0.012 - - - - - 73
Ta
181
Tantalum Ta 181 Stable 99.988 - - - - - 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 0.000000008% In the Sun 0% In Meteorites 0.000002% In the Earth's Crust 0.00017% In Seawater 2E-10% In the Human Body 0% - Models
Pictures, videos and 3D models of the element
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