Aaron Klug

Aaron Klug . British chemist and biophysicist of Lithuanian origin who received the Nobel Prize in Chemistry in 1982 for the development of electron microscopy for use in crystallography and for the resolution of the crystal …

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Protactinium

Protactinium . Chemical element of the periodic table whose symbol is Pa and its atomic number is 91. Protactinium is a silvery metallic element that belongs to the group of actinides , which has an intense metallic luster. Protactinium is, from the …

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