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http://www.mcgraw-hill.es/bcv/tabla_periodica/imagenes/elemento88.gif
Radium was discovered in 1898. and later on it was certified on february fourth of 1898. Radium was rhe first element prepared in asintetic way.
Radium Raium is one of the most radioactive elements in the world. Its atomicweight is 226,0 I could say its almost my birthdate. Its simbol in the table of the elements is Ra. iIts number is 88. thiis element is in the second group of the elements table.
Radiums name was given by Marie Curie and she said that the name of the element came from its radioactivity. (Radium means lightning in latin)
Marie Curie and her husband discovered the element while being in a variety of uranium in Bohemia . They discovered by studying peces of uranium and separating them. When they separated the last pece of uranium out of a rock they discovered that there was a more radioactive material left inside. There is when Radium was dicovered.
The second group in wich my element is, is the group of the terrestrialalcaline elements. Its period in the elements table is the number seven and its block is S. In nature this element is a solid one and no magnetic element.
Radium can be found only in mines of uranium.
Marie Curie and her husband Pierre Curie were the people who discovered the element Radium. together As you can see in this picture they discovered the element together among other things of it.
http://images4.wikia.nocookie.net/quimica/es/images/thumb/3/31/Radio.png/250px-Radio.png
Radiums color its more like an imaculated white, but in precence of air or oxigen is more like a gray tipe black.
usege: !. The Radium was used in ancienttimes for luminicent paintings. 2. The atomic union of Cluorine and Radium is used to make treatments for cancer.
http://eltamiz.com/wp-content/uploads/2008/02/trtium.jpg
radio88 added this comment 2009-02-22 10:45:39-06:00
a mi tambien me gusta mas este.
radio88 added this comment 2009-02-22 10:45:39-06:00
a mi tambien me gusta mas este.