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Ra
Radium
Atomic no.:
88
Atom. weight: 226.0254
Density: 5.5
Class:
Earth alkali metal
Melting point: 700°C
Boiling point: 1737°C
Colour: silvery shiny
   
Discoverer: Marie + Pierre Curie
Place: France
Year: 1898

Radium is a radioactive chemical element which has the symbol Ra and atomic number 88. Its appearance is almost pure white, but it readily oxidizes on exposure to air, turning black. Radium is an alkaline earth metal that is found in trace amounts in uranium ores. It is extremely radioactive. Its most stable isotope, 226Ra, has a half-life of 1602 years and decays into radon gas.

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 Acrylic Element cube - Radium - 50mm  Art. Nr. 003026  
Acrylic Element cube - Radium - 50mm
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The Sensation! Acrylic Element-blocks NEW!

Radium - placeholder - Radioactive symbol ONLY - Does not contain any Radium!

The innovation! Selected element samples in amply amount embedded in 50x50x50mm first-class crystal clear acrylic (not cheap resin!) . Totally lightfast, high gloss polish. The text is embedded inside! Hand crafted! Made in the European Union! Each acrylic block is a unique and individual piece! EXTREMELY eye-catching!

These original acrylic cubes are used in many important and famous periodic table collections allover the world!

100% Handmade in the European Union!

 

Each cube comes in its separate original box!
     

Complete illuminated displays with our cubes are available on request

Amount: 1 St.
Purity : -------
Packing: PE bag
35.00
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