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Transcript
Cesium, Cs
Uses Of Your Element
atomic clock
special glass
History of the element
Images
video! :)
Fustov Kirchoff & Robert Bunsen
Who discovered it?
1860
When was it discovered?
Germany
atomic clocks
removing air traces in vacuum tubes
ion propulsion systems
medical
Where was it discovered?
Cesium's color flame
Has the second lowest melting point of all metallic.
Considered most active metal.
shell pattern
They found the element using a method of analysis they had just invented: spectroscopy.
Spectroscopy is the process of analyzing light produced when an element is heated.
quickly attacked by air
Robert
Bunsen
Physical & Chemical Properties
Color:
gold color
Fustov
Kichoff
Odor: No Odor
Boiling Point: 671 c
State Matter At Room Temp.: solid
Texture:Ductile, Soft
Density: 1.879
Flammability:Highly Flammable
Melting Point:28.44 c
How Reactive Is It?:Highly Reactive
Periodic Table Info.
Symbol and Name
- Cesium
Type Of Element: Metal
Atomic Number: 55
Atomic Mass: 132.90545
Period: 6
Group Number: 1
Name The Family To Which Your Element Belongs: Alkali
- Theresa Rankin
- Cs
- Hour four
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