 | Manganese | Atomic Number: 25 |
- Overview
Property Value Units 54.938
7.47
- Thermal Properties
Thermal Properties
Property Value Units 1245°C
1962°C
The critical pressure has not been determined for Manganese
The critical temperature has not been determined for Manganese
13.2 kJ/mol
220 kJ/mol
479 J/kg·K
7.8 W/m·K
- Electon Configuration
[Ar] 3d5 4s2
K L M N O P Q 2 8 13 2 0 0 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1774
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 25
Mn
55
Manganese Mn 55 Stable 100 - - - - - 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 0.0008% In the Sun 0.001% In Meteorites 0.27% In the Earth's Crust 0.11% In Seawater 0.0000002% In the Human Body 0.00002% - Models
Pictures, videos and 3D models of the element
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