Contributed by collector B.W.
1 gram of solidified Cesium in an ampoule, resting on a clear folding stand
Contributed by collector no. 2
Cesium in a cube shaped glass ampoule
Contributed by @plazmatter0430
Color comparison between a 0.5 gram bar of Gold and brassy Caesium in an ampoule
Cesium in an ampoule; in front of a black, white, and light gray surface
Contributed by collector no. 3
The Alkali Metals group: Lithium rod, Sodium , Potassium , Rubidium , and Caesium . All samples are inside ampoules, because these elements are extremely reactive to the Oxygen in air.
A very small sample of Caesium metal in an ampoule, which itself is in a clear container
1 gram of Cesium metal in a sealed ampoule. Cesium is an extremely reactive, slightly brassy gold metal with a melting point a little above room temperature.
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