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Periodic table
Characteristics of the element
Symbol:
Cs
Name:
Cesium
Latin name:
Cesium
Atomic number:
55
Atomic mass:
132,90545
Melting point:
28,44 (°C)
Boiling point:
671 (°C)
Density
1,879 (g/cm
3
)
Electronegativity:
0,86
Oxidation number:
I
Number of neutrons:
78
Crystal structure:
Cubic
Chemical serie:
Alkali metals
Color:
silver
Electron configuration:
2-8-18-18-8-1
Year of discovery::
1860
Compounds
Symbol
Name
Next information
CsF
Fluorid cesia
more
CsI
Jodid cesia
more
CsCl
Chlorid cesia
more
Cs2CO
3
Uhli?itan cesia
more
CsNO
3
Nitrid cesia
more
Cs2SO4
Sulfid cesia
more
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Update: 26.11.25