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Periodic Table of Elements: Cesium
Periodic Table
Alkali Metals
Other Characteristics
- Ductile
- Liquid at near room temperature
- Extremely reactive
2sw.dromgjf.top - Image
http://www.chemicool.com/elements/cesium.html - Information
History
- Discovered by Robert Bunsen and Gustav Kirchhoff in the 1860's
- Name origin comes from the Latin word "caesius" meaning sky blue after the blue lines they saw in the spectrum
Physical Properties
Discoverers Bunsen and Kirchhoff
http://www.chemicool.com/elements/cesium.html -Information
www.rsc.org -Photo
- Melting Point: 28.4 degrees C
- Boiling Point: 670 degrees C
- Classification: Metal
- Colour: Yellow/Silvery
- State of Matter: Solid
Element: Cesium
A photo of Cesium in a small bottle because it is reactive with air.
Atomic Number
Symbol
http://www.chemicool.com/elements/cesium.html
www.lastwodonnothing.com -Photo of Element
133-Cesium
Symbol: Cs
Mass Number: 133
Atomic Number: 55
Atomic Mass: 132.91
Atomic Mass
Element Block
Source: Science Text Book
Source Picture: www.chemistryexplained.com
Uses and sources
- The element is used to make atomic clocks that are extremely accurate.
- It is found in minerals pollutice and lepidolite. Most is produced as a bi product of the production of Lithium metal.
Interesting facts
- First element discovered using a spectroscope
- cesium can be ionized, cesium ions could be used as a propellant in ion engines on spacecrafts in the future.
Atomic Clock
discovermagazine.com - Image
http://www.livescience.com/37578-cesium.html - Information
R.I.P.
Bohr Model
It's out of this world!
Periodic Table of Elements: Cesium
By: Felicity Moore and Alyssa Ring
FRM AMR CO.