Cs

Caesium

Z 55 132.905 g/molAlkali Metal

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

1

Period

6

Block

s

Occurrence

Primordial

Biological Role

---

History

1860 (discovery)

Gustav Kirchhoff, Robert Bunsen

1882 (isolation)

Carl Setterberg

Named By

Gustav Kirchhoff, Robert Bunsen

Latin Name

Caesium

Abundance

Universe

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x