molybdena वाक्य
उदाहरण वाक्य
मोबाइल
- By 1778 Swedish chemist Carl Wilhelm Scheele stated firmly that molybdena was ( indeed ) neither galena nor graphite.
- It was not until 1778 that Swedish chemist Carl Wilhelm Scheele realized that molybdena was neither graphite nor lead.
- Molybdenite the principal ore from which molybdenum is now extracted was previously known as molybdena, which was confused with and often implemented as though it were graphite.
- Instead, Scheele correctly proposed that molybdena was an ore of a distinct new element, named " molybdenum " for the mineral in which it resided, and from which it might be isolated.
- Even when molybdena was distinguishable from graphite, it was still confused with a galena ( a common lead ore ), which took its name from Ancient Greek " ", meaning " lead ".
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