It is made of only one type of atom: iron atoms. Sulfur is another element. It contains only sulfur atoms, and nothing else, so it is pure. When we mix two different pure substances together ...

Once you're directed to the Smithy to begin a quest, you're solid. The quest is simple: find five pieces of Pure Iron Ore ...

At room temperature, a pure bar of neodymium wouldn’t be ... and partly to do with the electronic structure of the elements in the alloy. Iron normally has a unit cell that’s either body ...