Caesium - Cs
The element Caesium, atomic number 55, is formed from neutron star merger, which results from .
- Name:
- Caesium
- Symbol:
- Cs
- Atomic number (protons):
- 55
- How created:
- neutron star merger
- How created (secondary):
- planetary nebula
- Process (secondary):
- red giant death
- Group (column):
- 1
- Period (row):
- 6
- Atomic weight:
- 132.905451960
- Melting point:
- 301.59 K
- Boiling point:
- 944 K
- Density:
- 1.8730000 g/cm3
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