swimelindu
swimelindu
14-06-2016
Chemistry
contestada
what is name of first man made element?
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Аноним
Аноним
21-06-2016
The first man-made element or artificial element which is produced because it is not found naturally in nature is Technicium, in 1937. Technicium has an atomic number of 43 and atomic mass of 98 g/mol.
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