Caesium: Difference between revisions
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{{subpages}}{{Basic elemental info}}<references/> | {{subpages}}Sometimes spelled Cesium, {{Basic elemental info}}<references/> | ||
Revision as of 12:02, 15 May 2010
Sometimes spelled Cesium, Caesium is a chemical element, having the chemical symbol Cs.
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Its atomic number (the number of protons) is 55. It has a Standard Atomic Weight of 132.90545(2), and is typically found as a solid in its elemental form.
Caesium is considered to be a member of the "Alkali metal" class of elements, has a boiling point of 671 °C , and a melting point of 28.5 °C .