Cesium Element Cube Heritage Personal Museum Its name comes from the

Its name comes from the Greek technetos

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Uranium was actually used as far back as the middle ages as a color additive to glass

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Performing a flame test for sodium produces a bright yellow flame

Cesium Element Cube Heritage Personal Museum Its name comes from theCesium's atomic number is 55 and its symbol is Cs. It is a soft, silvery golden alkali metal with a melting point of 28. 5 C (83. 3 F), which makes it one of only five elemental metals that are liquid at or near room temperature. It ignites spontaneously in air, and reacts explosively with water even at low temperatures, more so than the other alkali metals. It even reacts with ice at temperatures as low as 116 C (177 F). Because of the bright blue