Chemie kann man üben!
Metalle , Nichtmetalle, Bor-Astat-Linie! Alles klar , aber was gibt es dazwischen ?
Die Halbmetalle! (Halbmetalle bei Wikipedia)
Eines von ihnen ist Tellur.
Seine Eigenschaften und sein Verhalten gegenüber unserem Organismus sind besonders.
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