However, the resulting molecular structure is so reactive with air that only a few laboratories in the world can protect both it and the person working on it. The configuration of this molecule, ...

THE effect known as the Widmanstatten structure is shown most clearly in those meteoric nickel-iron alloys in which the percentage of nickel lies between certain limits, roughly, from 7 to 14.

Iron-sulfur clusters as oxygen-responsive molecular switches F Wayne Outten 1 Nature Chemical Biology volume 3 , pages 206–207 ( 2007 ) Cite this article ...