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Leticia Sanchez
7Th
Leticia
Sanchez
7Th
Adopt an Element!!!
Cesium (Cs)
Facts About Cesium
Atomic#55 Atomic mass 133 .It cost $30 per gram. Cesium:Natures stop watch:) Cesium helps save lives !!!!!
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Cesium saves lives!!!
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It tells you the time !!!!
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And it looks cool:)
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