A ring of atoms of this element was placed on a copper surface by Crommie, Lutz, and Eigler using a scanning tunneling microscope to create a quantum corral.
A ring of atoms of this element was placed on a copper surface by Crommie, Lutz, and Eigler using a scanning tunneling microscope to create a quantum corral. Prussian blue is a complex of this element with cyanide. Its allotropes include austentite, and its 57 isotope is commonly used to demonstrate the Mossbauer effect. The first metallocene contained an atom of it sandwiched between two cyclopentadiene rings. Either ruthenium or this element comprises the most common catalyst for the (*) Haber-Bosch process, and it usually occurs in plus 2 and plus 3 oxidation states, which are known as ferrous and ferric. For 10 points, name this element, alloys of which form steel, with atomic number 26 and symbol Fe.
A ring of atoms of this element was placed on a copper surface by Crommie, Lutz, and Eigler using a scanning tunneling microscope to create a quantum corral.
iron