![]() | Protactinium | Atomic Number: 91 |
- Overview
Property Value Units 231.0359
15.37
- Thermal Properties
Thermal Properties
Property Value Units 1568°C
°C
The critical pressure has not been determined for Protactinium
The critical temperature has not been determined for Protactinium
15 kJ/mol
470 kJ/mol
99.1 J/kg·K
47 W/m·K
- Electon Configuration
[Rn] 5f2 6d1 7s2
K L M N O P Q 2 8 18 32 20 9 2 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1913
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 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% In the Sun 0% In Meteorites 0% In the Earth's Crust 9.9E-12% In Seawater 2E-23% In the Human Body 0% - Models
Pictures, videos and 3D models of the element
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