42
Mo
Molly-B
![Molybdenum](http://elemonster.de/sites/default/files/styles/large/public/field/image/042_Molybd%C3%A4n-03.png?itok=guR9JQgf)
For a long time molybdenum was confused with lead ores. That’s why it got its name from the greek word for lead mólybdos. It is used for hardening steel. As a trace element it is essential for almost every organism. It can reach oxidation states up to six.
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