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Cesium (Cs), CESIUM, faq_time_Rob_CsV, Drilling-Fluid-Cesium-Formate-CAS…
Cesium (Cs)
Physical properties
Boiling point : 671°C
Melting point : 28.55
Density : 1.873g/cm^3
Atomic radius : 0.267mm
State at room temperature : solid
Electron affinity : 45.5kJ/mol
First ionization energy : 3.8939
Magnetism : Has a magnetic field
Basic info
Periodic table
Period number : 6
Group number : 1
Atomic mass : 132.905
Number of
Neutrons : 78
Electrons : 55
Protons : 55
Condensed electron configuration : 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^1
Electron configuration : [Xe] 6s^1
Natural abundance : Foud in minerals pollucite and Iepidolite.
Applications
Drilling fluid
Catalyst promoter
Cesium clock
Thermionic generators
Chemical & medicinal uses
Fun facts
Found at Bernic Lake in Manitoba, Canada.
Incredibly accurate at timekeeping.
It's a radioactive material that is produced by the Sun.
Most alkaline of the elements.
Chemical properties
Ionic radius : 343pm
Electronegativity : 0.79
Discovery
Year of discovery : 1860
Discovered by : Gustav Kirchhoff and Robert Bunsen
