CESIUM

HISTORY

• Who: Robert Bunsen and Gustav Kirchhoff
• When: 1860
• Where: Heidelberg, Germany
• How: Robert and Gustav invented the spectroscope and found cesium
• Name: The Latin word "caesius" meaning blue sky because they saw blue lines in the element

PHYSICAL PROPERTIES

• State of Matter: solid almost liquid
• Color: Yellow Silver with Blue Lines
• Odor: Unknown
• Boiling Point: 670 Degrees Celsius
• Melting Point: 85 Degrees Celsius

CHEMICAL PROPERTIES

• Most Important Compounds of the element: CsOH
• Elements It Joins With: None
• Flammability: Highly in Water
• Reactions With Other Compounds: Water

COMMON USES

• Found Naturally: Bernic Lake, Mantiboia, Canada
• Abundance: Three Parts Per Million By Weight, .5 Parts Per Million By Moles

ISOTOPES

• Which is Most Abundant: 133Cs
• Percent Abundance: 80%

PERIODIC TABLE PLACEMENT

• Common Characteristic: Very Reactive
• Valence Electrons: 1
• Period: 6

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REFRENCES

• Chemicool Periodic Table. 10/8/2015 .
• Bentor, Yinon. Chemical Element.com - Cesium. Oct. 8, 2015