Cesium | Atomic Number: 55 | |
| Hear it pronounced |
- Overview
Property Value Units 132.9055
1.879
- Thermal Properties
Thermal Properties
Property Value Units 29°C
678°C
9.4 MPa
1938°C
2.09 kJ/mol
65 kJ/mol
242 J/kg·K
36 W/m·K
- Electon Configuration
[Xe] 6s1
K L M N O P Q 2 8 18 18 8 1 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1860
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 55
Cs
133
Cesium Cs 133 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 0.00000008% In the Sun 0.0000008% In Meteorites 0.000014% In the Earth's Crust 0.00019% In Seawater 0.00000005% In the Human Body 0.000002% - Models
Pictures, videos and 3D models of the element
Title Description