Cesium Element. The metal is characterised by a spectrum containing two bright lines it is silvery gold, soft, and ductile. Cesium is a member of the alkali family, which consists of elements in group 1 (ia) of the periodic table.
Cesium (or caesium ) is a block s, group 1, period 6 element. Caesium (55cs) has 40 known isotopes, making it, along with barium and mercury, one of the elements with the most isotopes. It is the most electropositive and most alkaline element.
Cesium or caesium is a metal with the element symbol cs and atomic number 55.
The columbia encyclopedia about this article. Cesium was discovered spectroscopically by bunsen and kirchhoff in 1860 in mineral water from itis the most electropositive and most alkaline element. Cesium (or caesium ) is a block s, group 1, period 6 element. Cs cesium element 55 appearance:
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