Over forty years late, physicists at MIT have been testing these theories, and have captured images of atoms flowing around a ...

Iron is an element. 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 ...

However, for many students, identifying the difference between the particles in an element, compound or mixture proves tricky; especially when the images they see are often very similiar ... In Image ...

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and ...