Protein-bound iron-sulfur ([Fe-S]) clusters, which are polynuclear combinations of iron and sulfur atoms, are among the most structurally and functionally versatile cofactors in biology 1. [Fe-S ...

Sulfur, in the form of iron sulfide, can cause steel to be too porous and prone to cracking. Atomic number 16, atomic weight 32.064. Silicon (Si): Silicon is the second most abundant element in ...

The iron filings are attracted to the magnet, but the sand is not. A mixture of iron filings and sulfur powder could be separated in exactly the same way. A beaker containing a mixture of ...