v55
Cesium
by Juan
| Jan 7, 2026
1 min read
51 words
Table of Contents
55
Atomic Number
Cesium
Atomic Weight
132.91
Melting Point
28.44°C
Boiling Point
671°C
| Element & Symbol | Atomic Number | Major Use(s) |
|---|---|---|
| Cesium (Cs) | 55 | Atomic clocks (definition of the second), drilling fluids, photoelectric cells. |
Cesium is a silvery-gold, soft alkali metal; it is the most reactive metal and liquid near room temperature.