Template:Infobox caesium isotopes

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Main isotopes of caesium (55Cs)
Iso­tope Decay
abun­dance half-life (t1/2) mode pro­duct
131Cs syn 9.7 d ε 131Xe
133Cs 100% stable
134Cs syn 2.0648 y ε 134Xe
β 134Ba
135Cs trace 2.3×106 y β 135Ba
137Cs syn 30.17 y[1] β 137Ba
Standard atomic weight Ar°(Cs)
  • 132.90545196±0.00000006
  • 132.91±0.01 (abridged)[2][3]
Xe ←

i'box Xe

iso
55
Cs (E)
→ Ba

i'box Ba

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24)
See also Category:Infobox element data sets (0)

References

  1. ^ "NIST Radionuclide Half-Life Measurements". NIST. Retrieved 2011-03-13.
  2. ^ "Standard Atomic Weights: Caesium". CIAAW. 2013.
  3. ^ Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.