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I NEED IT FOR A SCIENCE PROJECT...
DEFINITION-->A soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells and to catalyze hydrogenation of some organic compounds.

2007-04-06 02:22:27 · 2 answers · asked by miss_lovely_39 1 in Environment

2 answers

Cesium: Nature's Stopwatch

1 second = 9,192,631,770 oscillations of a Cesium-133 atom (This is used as a measure for atomic clocks since cesium atoms always move at the same speed provided sufficient excitation.)

2007-04-06 03:05:34 · answer #1 · answered by Anonymous · 0 0

Cesium, the heaviest Alkali Metal (Just say no to Francium).

2007-04-06 11:57:48 · answer #2 · answered by Amphibolite 7 · 0 0

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